Question

(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
w. One day Reeta went to a jeweller's shop with her mother. Her mother gave old gold jewellery to the goldsmith to
polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can
you suggest a reason for the loss in weight?
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Answer 1

Answer:

• The nature of the gas can be found by adding water to the gas in the test tube. And then put some blue litmus solution in the jar. The blue litmus solution turns red, this means that the gas is acidic in nature.

Hope it helps you

I am sorry, I do not know the second answer