Question

please give both the answer correct I will mark us brainliest

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Answer 1

Answer:

CO2 is released in test tube A and H2 is released in test tube B.

CO2 provides milkiness of water while H2 gives pop sound while bringing a burning matchstick closer.

Answer 2

Answer:

i) Hydrogen gas is evolved in test tube B Carbon dioxide is evolved in testtube A

ii) We have to take a burning splinter near the gas evolved, if it puts off with a pop sound, then the gas evolved is definitely hydrogen.

In A, if we pass lime water through this gas, it will change into milky white...then the gas evolved is CO2

Hope this helps u!!!!!