200950 + Mcqs in General Page 46 McqOptions

2251.	No work is done by gravity on a bowling ball that rolls along a bowling alley because no force acts on the ball and_____.
A.	no distance is covered by the ball.
B.	the force on the ball is at right angles to the ball's motion.
C.	no potential energy is being converted to kinetic energy
D.	its kinetic energy remains constant.
Answer» D. its kinetic energy remains constant.

Discussion

2252.	The bead has maximumnkinetic energy at point
A.	A
B.	B
C.	C
D.	F
Answer» E.

Discussion

2253.	The ball has maximum spee at point
A.	A
B.	B
C.	C
D.	D
Answer» C. C

Discussion

2254.	The bead has maximum speed at point
A.	A
B.	B
C.	C
D.	F
Answer» E.

Discussion

2255.	The bead has maximum potential energy at point
A.	A
B.	B
C.	C
D.	D
Answer» B. B

Discussion

2256.	The ball has maximum kinetic energy at point ?
A.	A
B.	B
C.	C
D.	D
Answer» C. C

Discussion

2257.	The ball has maximum potential energy at point
A.	A
B.	B
C.	C
D.	D
Answer» B. B

Discussion

2258.	At position A, is the marble's kinetic energy less than, greater than, or the same as its kinetic energy when it is at B?
A.	less
B.	greater
C.	the same
D.
Answer» B. greater

Discussion

2259.	I was feeling rather _______ when I ______ a yellow envelope on the table.
A.	happy, discerned
B.	jubilant, glimpsed
C.	ecstatic, perceived
D.	miserable, spotted
Answer» E.

Discussion

2260.	A clerk can lift containers a vertical distance of 1 meter or can roll them up a 2 meter-long ramp to the same elevation. With the ramp, the applied force required is about ?
A.	half as much
B.	twice as much
C.	the same.
D.	None of these
Answer» B. twice as much

Discussion

2261.	We have in America a ______ speech that is neither American, Oxford English, nor colloquial English, but ______ of all three.
A.	motley, an enhancement
B.	hybrid, a combination
C.	nasal, a blend
D.	mangled, a medley.
Answer» C. nasal, a blend

Discussion

2262.	When a car is braked to a stop, its kinetic energy is transformed to ?
A.	stopping energy
B.	potential energy.
C.	energy of motion
D.	energy of rest.
Answer» E.

Discussion

2263.	A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of ?
A.	less than 40 J
B.	more than 40 J.
C.	40 J.
D.	None of these
Answer» D. None of these

Discussion

2264.	Bullets are fired from an airplane in the forward direction of motion. The momentum of the airplane will be ?
A.	decreased
B.	unchanged.
C.	increased.
D.	zero
Answer» B. unchanged.

Discussion

2265.	When an object is lifted 10 meters, it gains a certain amount of potential energy. If the same object is lifted 20 meters, its potential energy gain is ?
A.	Less.
B.	The same.
C.	Twice as much.
D.	Four times as much.
Answer» D. Four times as much.

Discussion

2266.	An object that has potential energy may have this energy because of its____.
A.	speed.
B.	acceleration
C.	momentum
D.	location.
Answer» E.

Discussion

2267.	An object that has kinetic energy must be _____.
A.	moving.
B.	falling.
C.	at an elevated position
D.	at rest.
Answer» B. falling.

Discussion

2268.	A 1000-kg car and a 2000-kg car are hoisted the same distance in a gas station. Raising the more massive car requires ?
A.	Less work.
B.	As much work
C.	Twice as much work.
D.	Four times as much work.
Answer» D. Four times as much work.

Discussion

2269.	When an object is raised above the ground it gains a certain amount of potential energy. If the same object is raised twice as high it gains ?
A.	Four times as much potential energy
B.	Twice as much potential energy.
C.	Thrice as much potential energy
D.	Neither of these.
Answer» C. Thrice as much potential energy

Discussion

2270.	If you do work on an object in half the usual time, your power output is ?
A.	Half the usual power output
B.	The usual power output
C.	Twice the usual power output
D.	Thrice the usual power output
Answer» D. Thrice the usual power output

Discussion

2271.	Do 100 J of work in 50 s and your power output is ?
A.	1/4 W.
B.	1/2 W.
C.	2 W.
D.	4 W.
Answer» D. 4 W.

Discussion

2272.	A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of ?
A.	Energy
B.	Power
C.	Both of these
D.	None of these.
Answer» C. Both of these

Discussion

2273.	Exert 1 N for a distance of 1 m in 1 s and you deliver a power of ?
A.	1 W.
B.	2 W.
C.	1/3 W.
D.	3 W.
Answer» B. 2 W.

Discussion

2274.	If you push an object just as far while applying twice the force you do ?
A.	twice as much work
B.	four times as much work
C.	the same amount of work.
D.	thrice as much work
Answer» B. four times as much work

Discussion

2275.	If you push an object twice as far while applying the same force you do ?
A.	twice as much work
B.	four times as much work
C.	the same amount of work
D.	thrice as much work
Answer» B. four times as much work

Discussion

2276.	According to author Dishant gautam, a novel is ________ to write when compared to a play is like ________ an election where one has to appeal to a thousand people at a time whereas in a book one appeals to one only person.
A.	simpler, running in
B.	faster, voting through
C.	easier, running for
D.	fool proof, voting on
Answer» D. fool proof, voting on

Discussion

2277.	If you push an object with twice the work input for twice the time, your power input is?
A.	Twice
B.	Four times as much.
C.	The same amount as for half the work in half the time.
D.	None of these
Answer» B. Four times as much.

Discussion

2278.	If you push for an hour against a stationary wall, you do no work ?
A.	On the wall
B.	At all
C.	Both of these
D.	None of these
Answer» B. At all

Discussion

2279.	Which of the following statements is not generally correct?
A.	Endothermic reactions have larger energies of activation than exothermic reactions
B.	The rate of a reaction is proportional to its activation energy
C.	The rate of a reaction generally increases as the temperature is raised
D.	All reactions in which bonds are broken and formed have a significant activation energy
Answer» B. The rate of a reaction is proportional to its activation energy

Discussion

2280.	Which of the following statements about carbon is not correct?
A.	Carbon forms strong covalent bonds to itself, allowing chains and rings to be made.
B.	Carbon expands its valence shell to accomodate more than eight electrons and thus forms double and triple bonds.
C.	Carbon forms strong covalent bonds to elements like nitrogen and oxygen because it does not have lone pairs of valence electrons to destabilize the bonds
D.	Carbon and hydrogen have similar electronegativity and form strong bonds to each other, thus avoiding the high reactivity shown by metal hydrides.
Answer» C. Carbon forms strong covalent bonds to elements like nitrogen and oxygen because it does not have lone pairs of valence electrons to destabilize the bonds

Discussion

2281.	How would the bond strength of the C:C double bond in an alkene compare to that of a C:C single bond in the corresponding alkane?
A.	The double bond would have the same strength as the single bond.
B.	The double bond would be stronger than, but less than twice as strong as the single bond.
C.	The double bond would have exactly twice the strength of the single bond.
D.	The double bond would have more than twice the strength of the single bond.
Answer» C. The double bond would have exactly twice the strength of the single bond.

Discussion

2282.	Which of the following compounds does not have a planar molecular configuration?
A.	H2C=CH2
B.	H2C=CH–C≡CH
C.	H2C=C=CH2
D.	H2C=C=C=CH2
Answer» D. H2C=C=C=CH2

Discussion

2283.	The pKas of H2CO3 are 6.4 u0026 10.3. The pKa of HOBr is 8.7. If equimolar amounts of Na2CO3 and HOBr are dissolved in water what will be the predominant anionic species in the resulting solution?u003c
A.	HCO3-1 and BrO-1
B.	CO3-2, Br-1 and OH-1
C.	HCO3-1 and Br-1
D.	CO3-2 and 2 BrO-1
Answer» B. CO3-2, Br-1 and OH-1

Discussion

2284.	Which of the following is a conjugate base of CH3NHOH?
A.	CH3NH-1
B.	CH3NHO-1
C.	CH3NH3+1
D.	CH2=NOH-1
Answer» C. CH3NH3+1

Discussion

2285.	Virginia Woolf _______ conventional notions of truth: in her words, one cannot receive from any lecturea nugget of pure truthto wrap up between the pages of one's notebook and keep on the mantelpiece forever.
A.	Anticipates
B.	Articulates
C.	Neglects
D.	Mocks
Answer» E.

Discussion

2286.	What formal charges are present in the molecule C6H5C≡N-O? ( all heavy atoms have a valence shell octet, and C6H5- is a phenyl group)
A.	N is -1 and C is +1
B.	N is +1 and C is -1
C.	O is -1 and C is +1
D.	O is -1 and N is +1
Answer» E.

Discussion

2287.	How many structurally distinct (different) sets of hydrogens are present in (CH3)3CCH2OCH3?
A.	2
B.	3
C.	4
D.	8
Answer» C. 4

Discussion

2288.	Which statement about members of a homologous series is true ?
A.	They are all constitutional isomers
B.	They are always hydrocarbons.
C.	Each differs from its nearest neighbors by 14 amu.
D.	They may also be classified as tautomers
Answer» D. They may also be classified as tautomers

Discussion

2289.	The H–C–O bond angle in H2C=O (formaldehyde) is approximately ?
A.	90º
B.	109º.
C.	120º.
D.	180º. ________________________________________
Answer» D. 180º. ________________________________________

Discussion

2290.	In order for a reagent to behave as a nucleophile it must have _____.
A.	an overall positive charge
B.	an overall negative charge.
C.	a non-bonding electron pair
D.	a nitrogen or sulfur atom.
Answer» D. a nitrogen or sulfur atom.

Discussion

2291.	Which of the following compounds may be classed as a protic solvent?
A.	tert-butanol
B.	diethyl ether
C.	n-hexane
D.	acetone
Answer» B. diethyl ether

Discussion

2292.	Which of the following is not a nucleophile?
A.	H2O
B.	CH3NH2
C.	C2H5SH
D.	C6H12 (cyclohexane)
Answer» E.

Discussion

2293.	The following compounds have similar molecular weights. Which has the highest boiling point?
A.	CH3CH=O
B.	C2H5OH
C.	CH3OCH3
D.	CH3CH2CH3
Answer» C. CH3OCH3

Discussion

2294.	Which of the following compounds would you expect to be most soluble in water?
A.	CH2Cl2
B.	C6H12 (cyclohexane)
C.	CH3CH2OH
D.	C2H5OC2H5
Answer» D. C2H5OC2H5

Discussion

2295.	In which compound does carbon have the highest oxidation state?
A.	CH4
B.	HCN
C.	H2CO
D.	CH2Cl2
Answer» C. H2CO

Discussion

2296.	Which of the following compounds would be considered an electrophilic reagent?
A.	NH3
B.	Br2
C.	CH3OH
D.	NH2OH
Answer» C. CH3OH

Discussion

2297.	Which of the following statements applies to a C10H14O2 compound?
A.	it may have 2 double bonds and 2 rings
B.	it may have 3 double bonds and 0 rings
C.	it may have 1 triple bond and 3 rings
D.	it may have 0 double bonds and 3 rings
Answer» B. it may have 3 double bonds and 0 rings

Discussion

2298.	Which of the following species is not amphoteric ?
A.	NH3
B.	HF
C.	NH4(+)
D.	HCO3(-)
Answer» D. HCO3(-)

Discussion

2299.	Which of the following molecules has a linear shape?
A.	NH3
B.	H2S
C.	CO2
D.	H2CO
Answer» D. H2CO

Discussion

2300.	Which of the following molecules will not have a dipole moment?
A.	CH3Cl
B.	CH3OCH3
C.	CH2Cl2
D.	CCl4
Answer» E.

Discussion

Explore topic-wise MCQs in General Knowledge.

No work is done by gravity on a bowling ball that rolls along a bowling alley because no force acts on the ball and_____.

The bead has maximumnkinetic energy at point

The ball has maximum spee at point

The bead has maximum speed at point

The bead has maximum potential energy at point

The ball has maximum kinetic energy at point ?

The ball has maximum potential energy at point

At position A, is the marble's kinetic energy less than, greater than, or the same as its kinetic energy when it is at B?

I was feeling rather _______ when I ______ a yellow envelope on the table.

A clerk can lift containers a vertical distance of 1 meter or can roll them up a 2 meter-long ramp to the same elevation. With the ramp, the applied force required is about ?

We have in America a ______ speech that is neither American, Oxford English, nor colloquial English, but ______ of all three.

When a car is braked to a stop, its kinetic energy is transformed to ?

A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy of ?

Bullets are fired from an airplane in the forward direction of motion. The momentum of the airplane will be ?

When an object is lifted 10 meters, it gains a certain amount of potential energy. If the same object is lifted 20 meters, its potential energy gain is ?

An object that has potential energy may have this energy because of its____.

An object that has kinetic energy must be _____.

A 1000-kg car and a 2000-kg car are hoisted the same distance in a gas station. Raising the more massive car requires ?

When an object is raised above the ground it gains a certain amount of potential energy. If the same object is raised twice as high it gains ?

If you do work on an object in half the usual time, your power output is ?

Do 100 J of work in 50 s and your power output is ?

A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of ?

Exert 1 N for a distance of 1 m in 1 s and you deliver a power of ?

If you push an object just as far while applying twice the force you do ?

If you push an object twice as far while applying the same force you do ?

According to author Dishant gautam, a novel is ________ to write when compared to a play is like ________ an election where one has to appeal to a thousand people at a time whereas in a book one appeals to one only person.

If you push an object with twice the work input for twice the time, your power input is?

If you push for an hour against a stationary wall, you do no work ?

Which of the following statements is not generally correct?

Which of the following statements about carbon is not correct?

How would the bond strength of the C:C double bond in an alkene compare to that of a C:C single bond in the corresponding alkane?

Which of the following compounds does not have a planar molecular configuration?

The pKas of H2CO3 are 6.4 u0026 10.3. The pKa of HOBr is 8.7. If equimolar amounts of Na2CO3 and HOBr are dissolved in water what will be the predominant anionic species in the resulting solution?u003c

Which of the following is a conjugate base of CH3NHOH?

Virginia Woolf _______ conventional notions of truth: in her words, one cannot receive from any lecturea nugget of pure truthto wrap up between the pages of one's notebook and keep on the mantelpiece forever.

What formal charges are present in the molecule C6H5C≡N-O? ( all heavy atoms have a valence shell octet, and C6H5- is a phenyl group)

How many structurally distinct (different) sets of hydrogens are present in (CH3)3CCH2OCH3?

Which statement about members of a homologous series is true ?

The H–C–O bond angle in H2C=O (formaldehyde) is approximately ?

In order for a reagent to behave as a nucleophile it must have _____.

Which of the following compounds may be classed as a protic solvent?

Which of the following is not a nucleophile?

The following compounds have similar molecular weights. Which has the highest boiling point?

Which of the following compounds would you expect to be most soluble in water?

In which compound does carbon have the highest oxidation state?

Which of the following compounds would be considered an electrophilic reagent?

Which of the following statements applies to a C10H14O2 compound?

Which of the following species is not amphoteric ?

Which of the following molecules has a linear shape?

Which of the following molecules will not have a dipole moment?

I was feeling rather _ when I a yellow envelope on the table.

We have in America a speech that is neither American, Oxford English, nor colloquial English, but of all three.

According to author Dishant gautam, a novel is to write when compared to a play is like an election where one has to appeal to a thousand people at a time whereas in a book one appeals to one only person.