Question

Q5. Nylon is a man-made fibre and has many good qualities, and then which property lives. (a) Lustrous (b) Elastic (c) Melt on heating Q6. Mountaineers carry oxygen cylinder with them due to (a) high atmospheric pressure (b) constant pressure (d) low atmospheric pressure (c) Moderate pressure Q7. The gas released during the preparation of bread is (a) oxygen (b) carbon dioxide (c) nitrogen Q8. Metals react with acids to give (d) Sulphur dioxide (a) Oxygen gas (b) Hydrogen gas (c) Sulphur dioxide gas (d) Carbon dioxide gas (d) Strong
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Answer 1

Explanation:

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