Chemistry MCQs

Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination.

1. A cotton wick dipped in pure honey when ignited with a matchstick will ______?
[A] Burn steadily
[B] Burn with a cracking sound
[C] Not burn at all
[D] Burn producing a large amount of smoke

Show Answer

2. Carnotite is a mineral of which among the following metals?
[A] Lead
[B] Uranium
[C] Aluminium
[D] Iron

Show Answer

3. The Helium atoms that have lost two electrons are called ________?
[A] Alpha rays
[B] Beta rays
[C] Gamma rays
[D] None of the above

Show Answer

4. Duralumin which is used in making aero planes is an alloy consisting of _____?
[A] Aluminum & Copper
[B] Aluminum, Copper & Manganese
[C] Aluminum, Copper, Manganese & Magnesium
[D] Aluminum and zinc

Show Answer

5. How many noble gases occur naturally?
[A] Three
[B] Four
[C] Five
[D] Six

Show Answer

6. Which among the following is correct regarding the alkaline battery ?
[A] Negative terminal made of Zinc Powder and Positive terminal made of Manganese dioxide & electrolyte is KOH
[B] Negative terminal made of Manganese dioxide and Positive terminal made of Zinc powder & electrolyte KOH
[C] Negative terminal made of Zinc Powder and Positive terminal made of Manganese dioxide & Electrolyte is Ammonium Chloride
[D] Negative terminal made of Manganese dioxide and Positive terminal made of Zinc powder & electrolyte Ammonium Chloride

Show Answer

7. Which among the following is the main constituent of malleable metal alloy Pewter ?
[A] Copper
[B] Zinc
[C] Tin
[D] Bismuth

Show Answer

8. Which among the following can be used as a preservative in Tomato Juice?
[A] Sodium Chloride
[B] Sodium carbonate
[C] Sodium benzoate
[D] Sodium Lauril Sulphate

Show Answer

9. If a baby diaper is subjected to different solutions, which of the following will it absorb the maximum quantity of?
[A] Distilled Water
[B] Drinking Water
[C] Hard Water
[D] Urine

Show Answer

10. Which of the following is not an isotope of Hydrogen?
[A] Protium
[B] Para hydrogen
[C] Deuterium
[D] Tritium

Show Answer