Question

4. Give scientific reasons.
a. When the gas formed on heating
limestone is passed through freshly
prepared lime water, the lime water
turns milky
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Answer 1

Answer:

map of India in the 2nd century CE showing the extent of the Kushan Empire (in yellow) during the reign of Kanishka. Most historians consider the empire to have variously extended as far east as the middle Ganges plain, to Varanasi on the confluence of the Ganges and the Jumna, or probably even Pataliputra.

Answer 2

Answer:

Lime water is made up of Calcium hydroxide. When carbon dioxide is passed through lime water, the Carbon dioxide reacts with calcium hydroxide to form Calcium carbonate which is a white precipitate, then lime water turns milky as there is formation of calcium carbonate.