Class 7 - Chemistry Set 1
FREE quick assessment test (20 Questions) by Improove. Plz visit www.improove.in
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1. Which among the following is a pure substance? *
1 point
2. The practice of consuming water at an optimum level without wasting it refers to___________. *
1 point
3. Which acid is used in fire-extinguishers? *
1 point
4. Number of elements present in a water molecule. *
1 point
5. Neon is an example of *
1 point
6. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy? *
1 point
7. What is tincture of iodine? *
1 point
8. When salt is mixed with ice which property is changed *
1 point
9. Removing of fleece from a sheep is called *
1 point
10. Which of the following is/are correct for wool? *
1 point
11. Which of the following is the correct statement? *
1 point
12. Select the incorrect use of iron? *
1 point
13. Which of the following is acidic in nature? *
1 point
14. CO2 dissolves in water to form *
1 point
15. What is the common name for calcium oxide (CaO) ? *
1 point
16. What will be the effect of methyl orange in acidic medium ? *
1 point
17. In a neutralized solution of salt *
1 point
18. Which of the following is a protein fibre? *
1 point
19. Which of the following statements are true for pure substances ?(i) Pure substances contain only one kind of particles(ii) Pure substances may be compound or mixtures(iii) Pure substance have the same composition throughout(iv) Pure substances can be examplified by all elements other than nickel *
1 point
20. Sodium sulphate is *
1 point
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