MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 1300 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
Which of the following metals is the most malleable metal? |
| A. | Fe |
| B. | On |
| C. | Mg |
| D. | At |
| Answer» E. | |
| 502. |
Silver and copper of heat? |
| A. | are the best drivers |
| B. | have fewer drivers |
| C. | are dielectric |
| D. | is the best conductor |
| Answer» B. have fewer drivers | |
| 503. |
Which metal can be cut with a knife among sodium, lithium, calcium and nickel? |
| A. | sodium |
| B. | lithium |
| C. | calcium |
| D. | All |
| Answer» B. lithium | |
| 504. |
Which of the following metals is available in wire form? |
| A. | calcium |
| B. | Magnesium |
| C. | Copper |
| D. | lead |
| Answer» D. lead | |
| 505. |
Which of the following non-metals are kept immersed in water? |
| A. | Sulphur |
| B. | white phosphorus |
| C. | red phosphorous |
| D. | Iodine |
| Answer» C. red phosphorous | |
| 506. |
Which of the following gas is found in coal mines? |
| A. | athene |
| B. | butane |
| C. | methane |
| D. | propane |
| Answer» D. propane | |
| 507. |
Hydrocarbons having at least one triple bond are called? |
| A. | alkane |
| B. | Alkine |
| C. | alkene |
| D. | all these |
| Answer» C. alkene | |
| 508. |
Which of the following metals are kept immersed in kerosene? |
| A. | sodium |
| B. | Magnesium |
| C. | zinc |
| D. | All |
| Answer» B. Magnesium | |
| 509. |
Due to functional group in organic compounds, do organic compounds show? |
| A. | common properties |
| B. | passive properties |
| C. | special qualities |
| D. | none of these |
| Answer» D. none of these | |
| 510. |
The allotrope of carbon used as lubricant is? |
| A. | Diamond |
| B. | Kajal |
| C. | graphite |
| D. | Coal |
| Answer» D. Coal | |
| 511. |
Which of these metals is found in liquid state? |
| A. | iron |
| B. | Mercury |
| C. | silver |
| D. | other |
| Answer» C. silver | |
| 512. |
The producers formed by the combustion of magnesium are - |
| A. | is acidic |
| B. | is indifferent |
| C. | is alkaline |
| D. | All |
| Answer» D. All | |
| 513. |
Green fruits are used for artificial ripening? |
| A. | acetylene |
| B. | Carbon dioxide |
| C. | athene |
| D. | ethylene |
| Answer» E. | |
| 514. |
Oxides are commonly found in metals? |
| A. | acidic |
| B. | Moody |
| C. | Amphibious |
| D. | alkaline |
| Answer» E. | |
| 515. |
Diamond is a poor conductor of electricity because? |
| A. | they do not have free electrons |
| B. | it's shiny |
| C. | it is very valuable |
| D. | it is quite smooth |
| Answer» B. it's shiny | |
| 516. |
Diamond and graphite are examples? |
| A. | of metals and non-metals |
| B. | of mixture |
| C. | of compound |
| D. | of all forms |
| Answer» E. | |
| 517. |
Buckminster fullerene is an allotrope? |
| A. | of phosphorus |
| B. | Of tin |
| C. | of carbon |
| D. | of sulfur |
| Answer» D. of sulfur | |
| 518. |
The allotrope of carbon used in cutting glass is? |
| A. | graphite |
| B. | Diamond |
| C. | Kajal |
| D. | Coal |
| Answer» C. Kajal | |
| 519. |
Which of the following hydrocarbons have a cable structure? |
| A. | methane |
| B. | propane |
| C. | athene |
| D. | suitable all |
| Answer» C. athene | |
| 520. |
Which of the following properties do not show metals? |
| A. | sound nature |
| B. | tensile |
| C. | electric conductivity |
| D. | retardation |
| Answer» E. | |
| 521. |
Into how many categories are the elements divided on the basis of properties? |
| A. | 4 |
| B. | 6 |
| C. | 3 |
| D. | 2 |
| Answer» D. 2 | |
| 522. |
The first metal used by humans is? |
| A. | Gold |
| B. | iron |
| C. | copper |
| D. | silver |
| Answer» D. silver | |
| 523. |
The metal which is liquid at normal temperature? |
| A. | Mercury |
| B. | iron |
| C. | bromine |
| D. | water |
| Answer» B. iron | |
| 524. |
Which of the following metals burn with a golden flame? |
| A. | Zn |
| B. | K |
| C. | Mg |
| D. | On |
| Answer» E. | |
| 525. |
Which metal is abundantly available in the earth's crust? |
| A. | AND |
| B. | FE |
| C. | AL |
| D. | WITH |
| Answer» D. WITH | |
| 526. |
What is the nature of chemical bond in diamond? |
| A. | ionic |
| B. | metallic |
| C. | Deputy Co-ordinator |
| D. | cooperater |
| Answer» E. | |
| 527. |
Which of the following is a liquid non-metal? |
| A. | Mercury |
| B. | alcohol |
| C. | water |
| D. | bromine |
| Answer» E. | |
| 528. |
Used for laundry? |
| A. | carbonate |
| B. | sulfate |
| C. | sulfonate |
| D. | bicarbonate |
| Answer» B. sulfate | |
| 529. |
Does a base convert to red litmus solution? |
| A. | in green |
| B. | in the blue |
| C. | in colorless |
| D. | in yellow |
| Answer» C. in colorless | |
| 530. |
What acid converts blue litmus? |
| A. | in white |
| B. | in purple |
| C. | in green |
| D. | in red |
| Answer» E. | |
| 531. |
The acid found in bees is? |
| A. | formic acid |
| B. | acetic acid |
| C. | carbolic acid |
| D. | oxalic acid |
| Answer» B. acetic acid | |
| 532. |
Which gas is given along with oxygen to the patients to diagnose breathing problems? |
| A. | helium |
| B. | organ |
| C. | radon |
| D. | krypton |
| Answer» B. organ | |
| 533. |
What is acid in gastric juice? |
| A. | acetic acid |
| B. | sulfuric acid |
| C. | hydrochloric acid |
| D. | nitric acid |
| Answer» D. nitric acid | |
| 534. |
Which acid is present in our stomach? |
| A. | methanoic acid |
| B. | sulfuric acid |
| C. | hydrochloric acid |
| D. | none of these |
| Answer» D. none of these | |
| 535. |
What happens in an ant sting? |
| A. | oxide acid |
| B. | formic acid |
| C. | lactic acid |
| D. | none of these |
| Answer» C. lactic acid | |
| 536. |
Extract Litmus? |
| A. | from lichen |
| B. | from tamarind |
| C. | from neem |
| D. | from mango tree |
| Answer» B. from tamarind | |
| 537. |
The process of spoilage of fatty food is due to? |
| A. | corrosion |
| B. | oxidation |
| C. | hydrogenation |
| D. | reduction |
| Answer» C. hydrogenation | |
| 538. |
If the products have more stability, then the chemical reaction? |
| A. | occurs at low speed |
| B. | is accomplished |
| C. | does not finish |
| D. | is very intense |
| Answer» C. does not finish | |
| 539. |
Used to remove permanent hardness of water? |
| A. | Leave the run |
| B. | Bleaching powder |
| C. | Caustic soda |
| D. | Baking soda |
| Answer» B. Bleaching powder | |
| 540. |
Bleaching powder is a? |
| A. | antipyretic |
| B. | aseptic |
| C. | Disinfectant |
| D. | Antibiotics |
| Answer» D. Antibiotics | |
| 541. |
What happens in acid rain? |
| A. | Nitrogen oxide |
| B. | carbon monoxide |
| C. | helium |
| D. | none of these |
| Answer» B. carbon monoxide | |
| 542. |
Chemical equations that occur in nature are usually? |
| A. | reversible |
| B. | oxidation |
| C. | Irreversible |
| D. | none of these |
| Answer» D. none of these | |
| 543. |
Which of the following will always be present during a chemical change? |
| A. | heat release |
| B. | emitting light |
| C. | release or absorption of heat |
| D. | heat release only |
| Answer» D. heat release only | |
| 544. |
The burning of a candle is an example? |
| A. | of physical change |
| B. | chemical change |
| C. | chemical as well as physical change |
| D. | none of these |
| Answer» D. none of these | |
| 545. |
Is there corrosion? |
| A. | Fast oxygen |
| B. | low oxygen |
| C. | reduction |
| D. | neither of the above |
| Answer» C. reduction | |
| 546. |
Which of the following shows chemical change? |
| A. | magnetism of iron |
| B. | fuel combustion |
| C. | rusting of iron |
| D. | B and C both |
| Answer» E. | |
| 547. |
Rusting in iron is caused by? |
| A. | oxidation |
| B. | reduction |
| C. | chemical equation with oxygen |
| D. | Both A and C |
| Answer» E. | |
| 548. |
Which of the following information gives a chemical reaction? |
| A. | heat release |
| B. | heat absorption |
| C. | Compound symbol and formula |
| D. | suitable all |
| Answer» D. suitable all | |
| 549. |
What is an instrument to measure the pressure of gases? |
| A. | hygrometer |
| B. | phonometer |
| C. | Fadometer |
| D. | manometer |
| Answer» E. | |
| 550. |
What is the instrument for measuring the intensity of sound? |
| A. | chronometer |
| B. | audiometer |
| C. | anemometer |
| D. | none of these |
| Answer» C. anemometer | |