Online MCQs – Industrial Chemistry – Chemistry 10th

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

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

3. The use of potassium hydroxide produced a:

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

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

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

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

8. The term “petroleum” refers to:

9. Surfactants reduce the __________ of water.

10. Sugar crystals are separated in:

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

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

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

14. The harvesting is the most important step of:

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

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

17. The abrasives are:

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

19. _______ different products are manufactured through chemical industries.

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