Industrial Chemistry – Online MCQs – Chemistry 10th

1. Soap is the term for a salt of a:

2. The use of potassium hydroxide produced a:

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

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

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

6. The centrifuge machine used for separation of:

7. Surfactants reduce the __________ of water.

8. _______ different products are manufactured through chemical industries.

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

10. The use of sodium hydroxide produced a:

11. The abrasives are:

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

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

14. Sugar crystals are separated in:

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

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

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

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

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

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