Chemistry Fill in the blanks Set 12
1. Kalpana Chawla was the _______ who travelled to the space.
Ans: first Indian woman
2. She went round the world within _____
Ans: one and half hours
3. Useful changes are called ______
Ans: desirable changes
4. Velco was invented in the year _____
Ans: 1948
5. Velco is widely used in _______
Ans: foot wear
6. Dissolution of glucose is an ______
Ans: endothermic
7. Trees which are buried under the earth are turned into _____
Ans: coal
8. Release of compressed spring is _______
Ans: reversible
9. _____ has a characteristic odour is added to LPG to detect any leak.
Ans: Ethyl mercaptan
10. _________ is a clean fuel.
Ans: Compressed Natural Gas
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