Class 8 - Chemistry Set 3
FREE quick assessment test (20 Questions) by Improove. Plz visit www.improove.in
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1. 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 Y. *
1 point
2. Which out of the following elements is ductile? (i) C (ii) Ca (iii) K (iv) Cu *
1 point
3. Which of the following is a non-metallic substance? *
1 point
4. What is water gas? *
1 point
5. Which of the following metals is present in chlorophyll? *
1 point
6. In India, petroleum deposit was first found in the state of : *
1 point
7. Liquefied hydrogen is a ______ fuel. *
1 point
8. Which of the following will burst into flames when exposed to air? *
1 point
9. Which of the following statements is/are true about graphite? (i) It is a metal. (ii) It is a good conductor of electricity. (iii) It has one free electron. (iv) It is a non-metal. *
1 point
10. The synthetic fibre that resembles wool in its properties is : *
1 point
11. Which of the following is a pollution indicator? *
1 point
12. A region of ________ is called flame. *
1 point
13. Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metal does not react with dilute hydrochloric acid ? *
1 point
14. The metal which generally occurs in free state is _____. *
1 point
15. Which of the following is similiar to cotton ? *
1 point
16. Naphthalene balls used to repel moth and insects is derived from : *
1 point
17. Chernobyl tragedies occur in which place. *
1 point
18. Which of the following will give highest calorific value ? *
1 point
19. Identify the incorrect characteristic of an ideal fuel ? *
1 point
20. 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 Y. *
1 point
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