Industrial Chemistry – Online MCQs – Chemistry 10th

1. Sugar crystals are separated in:

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

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

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

5. The term "petroleum" refers to:

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

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

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

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

10. _______ different products are manufactured through chemical industries.

11. Surfactants reduce the __________ of water.

12. The use of potassium hydroxide produced a:

13. The harvesting is the most important step of:

14. The abrasives are:

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

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

17. The use of sodium hydroxide produced a:

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

19. Petroleum is mostly made up of:

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