Online MCQs – Industrial Chemistry – Chemistry 10th

1. Petroleum is mostly made up of:

2. The citric acid is used in the preparation of cold drinks for:

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

4. According to the World Health Organization (WHO), it is the first _______ and so far, only _______ human illness to be declared eliminated globally.

5. It causes saponification and is an essential ingredient in soap making.

6. Sugar crystals are separated in:

7. The use of sodium hydroxide produced a:

8. Surfactants reduce the __________ of water.

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

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

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

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

13. _______ different products are manufactured through chemical industries.

14. The harvesting is the most important step of:

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

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

17. The term “petroleum” refers to:

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

19. The use of potassium hydroxide produced a:

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