Science Trivia GK Quiz

1. The first elements to form after the Big Bang started to cool were __

1. Uranium and plutonium
2. Oxygen and nitrogen
3. Hydrogen and helium
4. Carbon and silicon

2. The rusting of metal iron in air needs both ___.

1. Oxygen and moisture
2. Water and paint
3. Oxygen and grease
4. Carbon dioxide and carbon

3. What is the pollutant responsible for Ozone holes?

1. CO
2. SO2
3. CO2
4. Chlorofluorocarbon

4. What insect produces formic acid?

1. Cockroaches
2. Red ant
3. White ant
4. Mosquitoes

5. Which of these gases is readily soluble in water at room temperature?

1. Carbon dioxide
2. Chlorine
3. Nitrogen
4. Ammonia

6. Bleaching powder contains which of these elements?

1. Iodine
2. Bromine
3. Chlorine
4. Nitrogen

7. What is the third most common gas found in the air we breathe ?

1. Hydrogen
2. Carbondioxide
3. Neon
4. Argon

8. Which one of the following is not a mixture?

1. Air
2. Mercury
3. Milk
4. Cement

9. 'Misch metal' is widely used to manufacture which of the following?

1. Cigarette lighters
2. Material of car brake
3. Smoke detectors
4. Emergency lights

10. The acid in car batteries, sometimes known as 'Oil of Vitriol', is ___

1. Hydrochloric acid
2. Nitric acid
3. Sulfuric acid
4. None of these