Industrial Chemistry – Online MCQs – Chemistry 10th

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

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

3. The abrasives are:

4. Sugar crystals are separated in:

5. The centrifuge machine used for separation of:

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

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

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

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

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

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

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

13. The use of potassium hydroxide produced a:

14. The use of sodium hydroxide produced a:

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

16. The harvesting is the most important step of:

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

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

19. Petroleum is mostly made up of:

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