Online MCQs – Industrial Chemistry – Chemistry 10th

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

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

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

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

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

6. The abrasives are:

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

8. Surfactants reduce the __________ of water.

9. The term “petroleum” refers to:

10. Sugar crystals are separated in:

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

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

13. _______ different products are manufactured through chemical industries.

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

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

16. The harvesting is the most important step of:

17. The use of sodium hydroxide produced a:

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

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

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