Online MCQs – Industrial Chemistry – Chemistry 10th

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

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

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

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

5. Surfactants reduce the __________ of water.

6. _______ different products are manufactured through chemical industries.

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

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

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

10. Petroleum is mostly made up of:

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

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

13. The abrasives are:

14. The use of sodium hydroxide produced a:

15. Sugar crystals are separated in:

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

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

18. The use of potassium hydroxide produced a:

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

20. The centrifuge machine used for separation of: