Class 8 - Chemistry Set 5
FREE quick assessment test (20 Questions) by Improove. Plz visit www.improove.in
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1. To control water pollution we should follow _______ rule *
1 point
2. Petroleum is lighter than water so it floats on it. How is this floating oil removed from the surface of water bodies? *
1 point
3. Which of the following is good conductor of electricity? *
1 point
4. Nylon is called a pure synthetic fibre because raw materials used to prepare it were *
1 point
5. Ganga action plan deals with *
1 point
6. Drinking water should be *
1 point
7. An ideal fuel should have *
1 point
8. Cotton is obtained from *
1 point
9. Which of the following is not true for synthetic fibre ? *
1 point
10. Natural gas is a source of *
1 point
11. When super heated steam is passed through
red hot coke, it gets reduced to a mixture of X,
Y and it is named as Z. Identify X. *
1 point
12. Which synthetic fibre was discovered first ? *
1 point
13. If water contains bacterias in it, it shows that water is : *
1 point
14. Most synthetic fibres have – *
1 point
15. An ideal fuel should *
1 point
16. Chlorination of treated waste water is required for *
1 point
17. A region of ________ is called flame. *
1 point
18. The ignition temperature of phosphorus is *
1 point
19. Presence of hydrogen gas can be confirmed by *
1 point
20. Which of the following is not a pollutant unless in excess ? *
1 point
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