Online MCQs – Industrial Chemistry – Chemistry 10th

1. The term “petroleum” refers to:

2. The use of sodium hydroxide produced a:

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

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

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

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

7. Sugar crystals are separated in:

8. The use of potassium hydroxide produced a:

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

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

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

12. Petroleum is mostly made up of:

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

14. The abrasives are:

15. Surfactants reduce the __________ of water.

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

17. _______ different products are manufactured through chemical industries.

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

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

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