Online MCQs – Industrial Chemistry – Chemistry 10th

1. The term “petroleum” refers to:

2. The abrasives are:

3. It is mild, moisturizing and gives a low creamy lather.

4. Animal fats or vegetable oils are the most common sources of:

5. It is a key component in the combustion process.

6. Animal fat tallows from cows, such as lard, are, often used for / in:

7. Surfactants reduce the __________ of water.

8. The harvesting is the most important step of:

9. The basis of soft drinks, the syrup, is prepared by dissolving these ingredients into the water to:

10. Which one of the following is not a fraction of crude oil?

11. In petroleum, the percentage of carbon is found to be:

12. Saponification is the reaction of _______ with sodium or potassium hydroxide.

13. The preparation of sugar from sugarcane is composed of __________ steps.

14. The carboxylate end of the soap molecule that is attracted to water is called:

15. The use of sodium hydroxide produced a:

16. Petroleum is a liquid that is _________ than water yet _________ in it.

17. Sugar crystals are separated in:

18. They help in removing grease and dirt from the skin.

19. The use of potassium hydroxide produced a:

20. Which of the following is used as jet fuel?