'Acid rain' is caused due to air - pollution by

nitrous oxide and sulphur dioxide

Commonly used antiseptic 'Dettol' is a mixture of

o-chlorophenoxylenol + terepineol

Food cans are coated with tin and not with zinc because

zinc has a higher melting point than tin

Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

Both A and R is true but R is not a correct explanation of A

Both A and R is true and R is the correct explanation of A

Both A and R is true but R is not a correct explanation of A

42 + Mcqs in Chemistry in Every Day Life in Chemistry Page 1 McqOptions

1.	Solder is an alloy of
A.	tin and lead
B.	tin and copper
C.	tin, copper and zinc
D.	tin, lead and zinc
Answer» B. tin and copper

Discussion

2.	CNG used in automobiles to check pollution, mainly consists of
A.	CH
B.	CO
C.	N
D.	H
Answer» B. CO

Discussion

3.	Pyrethrin used in mosquito coil is obtained from
A.	a seed plant
B.	an insect
C.	a bacterium
D.	a fungus
Answer» B. an insect

Discussion

4.	'Acid rain' is caused due to air - pollution by
A.	carbon dioxide
B.	carbon monoxide
C.	methane
D.	nitrous oxide and sulphur dioxide
Answer» E.

Discussion

5.	Which one of the following elements is used in the manufacture of safety matches?
A.	Graphite
B.	Phosphorus
C.	Silicon
D.	Sodium
Answer» C. Silicon

Discussion

6.	Which of the following is not a nitrogenous fertilizer ?
A.	Ca(CN)
B.	CaCN
C.	NH
D.	NO
E.	Urea
Answer» B. CaCN

Discussion

7.	The metal compound commonly found in Sindhoor or Kumkum is based on
A.	Tin
B.	Lead
C.	Copper
D.	Zinc
Answer» C. Copper

Discussion

8.	In chemical terms, what are alums used for purifying water for drinking purposes ?
A.	Hydrated chlorides
B.	Double nitrate
C.	Double sulphates
D.	Nitrates of aluminium
Answer» D. Nitrates of aluminium

Discussion

9.	Which one of the following is not present in cement ?
A.	Clay
B.	Alumina
C.	Alum
D.	Gypsum
Answer» D. Gypsum

Discussion

10.	Milk is a
A.	mixture
B.	element
C.	metal
D.	None of these
Answer» B. element

Discussion

11.	A detergent is a
A.	cleansing agent
B.	drug
C.	catalyst
D.	soap
Answer» B. drug

Discussion

12.	'Yellow Cake' an item of smuggling across border is
A.	a crude from of heroin
B.	a crude from of cocaine
C.	uranium oxide
D.	unreformed gold
Answer» D. unreformed gold

Discussion

13.	Uric acid is present in
A.	Soda water
B.	Rancid butter
C.	Sour milk
D.	Urine of mammals
Answer» E.

Discussion

14.	Alum purifies muddy water by
A.	Absorption
B.	Dialysis
C.	Emulsification
D.	Coagulation
Answer» E.

Discussion

15.	Which one among the following is not a mixture?
A.	Graphite
B.	Glass
C.	Brass
D.	Steel
Answer» B. Glass

Discussion

16.	Which one of the following is responsible for blue baby syndrome?
A.	Fluoride
B.	Nitrate
C.	Arsenic
D.	Lead
Answer» C. Arsenic

Discussion

17.	Which gas is responsible for the swelling of bread ?
A.	Oxygen
B.	Carbon monoxide
C.	Carbon dixide
D.	Ammonia
Answer» D. Ammonia

Discussion

18.	A pungent smell often present near the urinals is due to
A.	sulphur-di- oxide
B.	chlorine
C.	ammonia
D.	urea
Answer» D. urea

Discussion

19.	Vinegar is an aqueous solution of
A.	oxalic acid
B.	citric acid
C.	hydrochloric acid
D.	acetic acid
Answer» E.

Discussion

20.	Which of the following laser types is used in a laser printer?
A.	Dye laser
B.	Semiconductor laser
C.	Excimer laser
D.	Gas laser
Answer» E.

Discussion

21.	Indane gas is mixture of
A.	butane and hydrogen
B.	butane and oxygen
C.	butane and propane
D.	methane and oxygen
Answer» D. methane and oxygen

Discussion

22.	The gas which emits from rice field is
A.	ethane
B.	methane
C.	nitrogen
D.	All of the above
Answer» C. nitrogen

Discussion

23.	Source of Vitamin C is
A.	Nitric acide
B.	Ascorbic acid
C.	Oxalic acid
D.	Maleic acid
Answer» C. Oxalic acid

Discussion

24.	Blood cells do not shrink in blood because blood is
A.	hypertonic
B.	isotonic
C.	equimolar
D.	hypotonic
Answer» C. equimolar

Discussion

25.	What is a mixture of potassium nitrate, powdered charcoal and sulphur called?
A.	Glass
B.	Cement
C.	Paint
D.	Gun powder
Answer» E.

Discussion

26.	Alum is used as
A.	an analgesic
B.	a fertilizer
C.	a disinfectant
D.	a purifier for water
Answer» E.

Discussion

27.	In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?
A.	Copper
B.	Iron
C.	Aluminium
D.	Titanium
Answer» E.

Discussion

28.	Commonly used antiseptic 'Dettol' is a mixture of
A.	o-chlorophenoxylenol + terepineol
B.	o-cresol + terepineol
C.	phenol + terepineol
D.	chloroxylenol + terepineol
Answer» E.

Discussion

29.	Which of the following is used as a preservative to protect processed food?
A.	Sodium sulphate
B.	Saccharin
C.	BHT
D.	Sodium metabisulphite
Answer» E.

Discussion

30.	When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called
A.	Smog
B.	Eutrophication
C.	Green house effect
D.	None of these
Answer» C. Green house effect

Discussion

31.	Cobalt (60) isotope is used in the treatment of
A.	heart diseases
B.	skin diseases
C.	diabetes
D.	cancer
Answer» E.

Discussion

32.	Which of the following is an antidiabatic drug?
A.	Insulin
B.	Penicillin
C.	Chloroquine
D.	Aspirin
Answer» B. Penicillin

Discussion

33.	Which one is a sublime substance?
A.	Table salt
B.	Sugar
C.	Iodine
D.	Potassium Iodide
Answer» D. Potassium Iodide

Discussion

34.	The new strain of bacteria produced by biotechnology in alcohol industry is
A.	Escherichia coli
B.	Saccharomyces cerevisiae
C.	Bacillus subtilis
D.	Pseudomonas putida
Answer» E.

Discussion

35.	Silicon is used in
A.	solar energy devices
B.	semiconductors
C.	transistors
D.	All of these
Answer» E.

Discussion

36.	Food cans are coated with tin and not with zinc because
A.	zinc is costlier than tin
B.	zinc has a higher melting point than tin
C.	zinc is more reactive than tin
D.	zinc is less reactive than tin
Answer» D. zinc is less reactive than tin

Discussion

37.	Which one of the following chemicals helps in fruit ripening?
A.	Ethephone
B.	Atrazine
C.	Isoproturan
D.	Malathion
Answer» B. Atrazine

Discussion

38.	The process which does not evolve CO₂ in air is
A.	burning
B.	breathing
C.	organic delay
D.	photosynthesis
Answer» E.

Discussion

39.

Match the List-I with List-II and select the correct answer using the codes given below the lists
List-I (Green house gas) List-II(Major source)
F. Carbondioxide 1. Enteric fermentation in cattle
G. Methane 2. Burning of fossil
H. Chloroflro carbons 3. Mercury compounds in waste water
J. Nitrous oxide 4. Nylon production
5. Air conditioner and refrigeration units
Codes :
F G H J
A. 2 1 5 4
B. 3 4 2 1
C. 3 2 4 1
D. 1 2 3 4

A.

B.

C.

D.

Answer» B. B.

Discussion

40.	Assertion (A) : Synthetic detergents can lather wen in hard water. Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.
A.	Both A and R is true and R is the correct explanation of A
B.	Both A and R is true but R is not a correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» B. Both A and R is true but R is not a correct explanation of A

Discussion

41.

Match the List-I with List-II and select the correct answer using the codes given below
List-I (Vitamin) List-II(Chemical compound)
F. Vitamin A 1. Thiamin
G. Vitamin B₁ 2. Retinol
H. Vitamin C 3. Ascorbic acid
J. Vitamin E 4. Tocopherol
Codes :
F G H J
A. 4 1 3 2
B. 2 3 1 4
C. 4 3 1 2
D. 2 1 3 4

A.

B.

C.

D.

Answer» E.

Discussion

42.	Which one of the following statement is correct ? Ozone is found in the earth's atmosphere mostly between
A.	5 and 10 km
B.	10 and 20 km
C.	20 and 50 km
D.	50 and 100 km
Answer» D. 50 and 100 km

Discussion

Explore topic-wise MCQs in Chemistry.

Solder is an alloy of

CNG used in automobiles to check pollution, mainly consists of

Pyrethrin used in mosquito coil is obtained from

'Acid rain' is caused due to air - pollution by

Which one of the following elements is used in the manufacture of safety matches?

Which of the following is not a nitrogenous fertilizer ?

The metal compound commonly found in Sindhoor or Kumkum is based on

In chemical terms, what are alums used for purifying water for drinking purposes ?

Which one of the following is not present in cement ?

Milk is a

A detergent is a

'Yellow Cake' an item of smuggling across border is

Uric acid is present in

Alum purifies muddy water by

Which one among the following is not a mixture?

Which one of the following is responsible for blue baby syndrome?

Which gas is responsible for the swelling of bread ?

A pungent smell often present near the urinals is due to

Vinegar is an aqueous solution of

Which of the following laser types is used in a laser printer?

Indane gas is mixture of

The gas which emits from rice field is

Source of Vitamin C is

Blood cells do not shrink in blood because blood is

What is a mixture of potassium nitrate, powdered charcoal and sulphur called?

Alum is used as

In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Commonly used antiseptic 'Dettol' is a mixture of

Which of the following is used as a preservative to protect processed food?

When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

Cobalt (60) isotope is used in the treatment of

Which of the following is an antidiabatic drug?

Which one is a sublime substance?

The new strain of bacteria produced by biotechnology in alcohol industry is

Silicon is used in

Food cans are coated with tin and not with zinc because

Which one of the following chemicals helps in fruit ripening?

The process which does not evolve CO2 in air is

Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

Match the List-I with List-II and select the correct answer using the codes given belowList-I (Vitamin)List-II(Chemical compound)F.Vitamin A1.ThiaminG.Vitamin B12.RetinolH.Vitamin C3.Ascorbic acidJ.Vitamin E4.TocopherolCodes :FGHJA.4132B.2314C.4312D.2134

Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

The process which does not evolve CO₂ in air is

Assertion (A) : Synthetic detergents can lather wen in hard water.
Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

Match the List-I with List-II and select the correct answer using the codes given below
List-I (Vitamin) List-II(Chemical compound)
F. Vitamin A 1. Thiamin
G. Vitamin B₁ 2. Retinol
H. Vitamin C 3. Ascorbic acid
J. Vitamin E 4. Tocopherol
Codes :
F G H J
A. 4 1 3 2
B. 2 3 1 4
C. 4 3 1 2
D. 2 1 3 4

Which one of the following statement is correct ?
Ozone is found in the earth's atmosphere mostly between