MCQOPTIONS
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MCQOPTIONS
This section includes 90 Mcqs, each offering curated multiple-choice questions to sharpen your Basic GK knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is a compound? |
| A. | Ammonia |
| B. | ozone |
| C. | Air |
| D. | mercury |
| Answer» B. ozone | |
| 2. |
Metallic luster is found in which of the following non-metals? |
| A. | Iodine |
| B. | graphite |
| C. | both (A) and (B) |
| D. | none of these |
| Answer» D. none of these | |
| 3. |
Which of the following is a bad conductor of electricity in spite of being a metal? |
| A. | Lead |
| B. | three |
| C. | Copper |
| D. | Nickel |
| Answer» B. three | |
| 4. |
Elements that have properties of both metals and non-metals are called? |
| A. | metalloids |
| B. | slag |
| C. | Alloy |
| D. | All these |
| Answer» B. slag | |
| 5. |
What is formed by mixing two or more pure substances in any ratio? |
| A. | Liquid |
| B. | solid |
| C. | Mixture |
| D. | gas |
| Answer» D. gas | |
| 6. |
The substance formed by the combination of two or more elements in a definite proportion considering the quantity is called? |
| A. | compound |
| B. | Mixture |
| C. | Liquid |
| D. | elements |
| Answer» E. | |
| 7. |
What is a substance made up of the same type of atoms called? |
| A. | compound |
| B. | Mixture |
| C. | Liquid |
| D. | elements |
| Answer» B. Mixture | |
| 8. |
Which of the following is a good conductor of heat and electricity? |
| A. | Diamond |
| B. | Charcoal |
| C. | graphite |
| D. | Methane |
| Answer» D. Methane | |
| 9. |
Rubber is a polymer of which of the following? |
| A. | Isoprene |
| B. | propene |
| C. | ethylene |
| D. | Acetylene |
| Answer» B. propene | |
| 10. |
Which allotrope of carbon is used in making pencils? |
| A. | Coke |
| B. | Isoprene |
| C. | graphite |
| D. | Charcoal |
| Answer» D. Charcoal | |
| 11. |
Name the hydrocarbon from which ethanol is made? |
| A. | Methane |
| B. | Butane |
| C. | ethane |
| D. | Benzene |
| Answer» D. Benzene | |
| 12. |
What are diamond and graphite of carbon? |
| A. | apocalyptic |
| B. | isotopes |
| C. | polymer |
| D. | isomer |
| Answer» B. isotopes | |
| 13. |
Which of the following is insoluble in water? |
| A. | ethene |
| B. | Glucose |
| C. | ethanoic acid |
| D. | Others |
| Answer» B. Glucose | |
| 14. |
The cleaning work is done well by soap? |
| A. | hard water |
| B. | soft water |
| C. | both types of water |
| D. | All the statements are true |
| Answer» C. both types of water | |
| 15. |
The boiling point of chloroform is? |
| A. | 391K |
| B. | 334K |
| C. | 351K |
| D. | 111K |
| Answer» C. 351K | |
| 16. |
Which of the following is suitable for alcoholic drinks? |
| A. | methanol |
| B. | Ethanol |
| C. | Hexenol |
| D. | propanol |
| Answer» C. Hexenol | |
| 17. |
Which of the following is an allotrope of carbon? |
| A. | Diamond |
| B. | Fullerene |
| C. | graphite |
| D. | all |
| Answer» E. | |
| 18. |
Which of the following is a good conductor of electricity? |
| A. | Ethanol |
| B. | graphite |
| C. | Diamond |
| D. | alkene |
| Answer» C. Diamond | |
| 19. |
The alloy of lead and tin is called? |
| A. | Steel |
| B. | metalloids |
| C. | Gun Maton |
| D. | solder |
| Answer» E. | |
| 20. |
Which of the following non-metals are kept immersed in water? |
| A. | Sulfur |
| B. | White Phosphorus |
| C. | Red Phosphorus |
| D. | Iodine |
| Answer» C. Red Phosphorus | |
| 21. |
Which of the following metals are kept immersed in kerosene? |
| A. | Sodium |
| B. | Magnesium |
| C. | Zinc |
| D. | all |
| Answer» B. Magnesium | |
| 22. |
Which of these metals is found in liquid state? |
| A. | Iron |
| B. | Mercury |
| C. | Silver |
| D. | Others |
| Answer» C. Silver | |
| 23. |
Silver and copper heat? |
| A. | are the best drivers |
| B. | are less conductors |
| C. | are dielectrics |
| D. | is the best conductor |
| Answer» B. are less conductors | |
| 24. |
Gold is used to make jewelery? |
| A. | 22 carats |
| B. | 24 carat |
| C. | 16 carats |
| D. | 23 carats |
| Answer» B. 24 carat | |
| 25. |
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 | |
| 26. |
The producers formed by the combustion of magnesium are - |
| A. | is acidic |
| B. | is indifferent |
| C. | alkaline |
| D. | all |
| Answer» D. all | |
| 27. |
Melting and boiling points of ionic compounds - |
| A. | contains the following |
| B. | are high |
| C. | are normal |
| D. | All the statements are true |
| Answer» C. are normal | |
| 28. |
Which metal reacts with water? |
| A. | gold |
| B. | Potassium |
| C. | Silver |
| D. | Lead |
| Answer» C. Silver | |
| 29. |
Food is cooked in a metal utensil because it is the source of heat. |
| A. | is a good conductor |
| B. | is a semiconductor |
| C. | is a bad conductor |
| D. | is both a conductor and a good conductor |
| Answer» B. is a semiconductor | |
| 30. |
Which of these non-metals is shiny? |
| A. | Carbon |
| B. | Iodine |
| C. | Sulfur |
| D. | Bromine |
| Answer» E. | |
| 31. |
Thin wires can be drawn from a piece of metal. Which property of the metal is it responsible for? |
| A. | Tensile |
| B. | hardness |
| C. | malleability |
| D. | conductivity |
| Answer» B. hardness | |
| 32. |
Which metal floats when put in water? |
| A. | Calcium |
| B. | Nickel |
| C. | Magnesium |
| D. | Potassium |
| Answer» B. Nickel | |
| 33. |
Which metal does not react with oxygen even at high temperature? |
| A. | Iron |
| B. | gold |
| C. | Potassium |
| D. | Aluminum |
| Answer» C. Potassium | |
| 34. |
What is the percentage of carbon in steel? |
| A. | 3 % |
| B. | 4 % |
| C. | 2 % |
| D. | 5 % |
| Answer» D. 5 % | |
| 35. |
Which gas is deposited at the anode on electrolysis of alumina? |
| A. | Hydrogen gas |
| B. | Nitrogen gas |
| C. | carbon dioxide gas |
| D. | Oxygen gas |
| Answer» E. | |
| 36. |
Is it an ore of zinc? |
| A. | Zinc Blade |
| B. | Bauxite |
| C. | sodium chloride |
| D. | Sinawar |
| Answer» B. Bauxite | |
| 37. |
What is liberated when the base is dissolved in water? |
| A. | (OH) - ion |
| B. | H + ion |
| C. | Both ions |
| D. | No ion |
| Answer» B. H + ion | |
| 38. |
What is the pH value of salts made from strong acids and weak bases? |
| A. | more than 7 |
| B. | less than 7 |
| C. | Between 10 and 14 |
| D. | less than 14 |
| Answer» C. Between 10 and 14 | |
| 39. |
What type of reaction is respiration? |
| A. | exothermic reaction |
| B. | combination reaction |
| C. | oxidation-reduction reaction |
| D. | two-decomposition reaction |
| Answer» B. combination reaction | |
| 40. |
What are the substances that participate in a reaction? |
| A. | consideration |
| B. | Deductive |
| C. | reactants |
| D. | Oxidizer |
| Answer» D. Oxidizer | |
| 41. |
Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction? |
| A. | neutralization |
| B. | Disintegration |
| C. | combination |
| D. | precipitation |
| Answer» B. Disintegration | |
| 42. |
Which of the following reactions always have pairs together? |
| A. | combination and dissolution |
| B. | precipitation and displacement |
| C. | neutralization and displacement |
| D. | Oxidation and degradation |
| Answer» E. | |
| 43. |
What is the increase in the ratio of oxygen in a chemical reaction? |
| A. | Reduction reaction |
| B. | oxidation reaction |
| C. | endothermic reaction |
| D. | displacement reaction |
| Answer» C. endothermic reaction | |
| 44. |
What type of reaction is corrosion? |
| A. | Reduction reaction |
| B. | precipitation reaction |
| C. | oxidation reaction |
| D. | combination reaction |
| Answer» D. combination reaction | |
| 45. |
A mixture of silver nitrate in a salt solution produces a curd-like substance. What is this reaction? |
| A. | Displacement |
| B. | neutralization |
| C. | combination |
| D. | precipitation |
| Answer» C. combination | |
| 46. |
Which of the following is not oxidation? |
| A. | precipitation |
| B. | Digestion of food |
| C. | Respiration |
| D. | combustion |
| Answer» B. Digestion of food | |
| 47. |
Which of the following is not oxidized? |
| A. | combustion |
| B. | precipitation |
| C. | Digestion of food |
| D. | Respiration |
| Answer» C. Digestion of food | |
| 48. |
Which of the following drugs is used to treat indigestion? |
| A. | Antacid |
| B. | Antibiotic |
| C. | Analgesic |
| D. | Antiseptic |
| Answer» B. Antibiotic | |
| 49. |
What type of indicator is turmeric, litmus paper etc.? |
| A. | synthesized |
| B. | Natural |
| C. | Natural and synthesized |
| D. | Others |
| Answer» C. Natural and synthesized | |
| 50. |
What substance is formed by the action of chlorine gas on dry quenched lime? |
| A. | calcium chloride |
| B. | bleaching powder |
| C. | Hydrochloric acid |
| D. | Water |
| Answer» C. Hydrochloric acid | |