Question

please mujhe eske ans bhej to mujhe bahut jarurat hai.....​

Answer 1

Answer:

Ex 1

1) MgCO3 + HCl —> MgCl2 + CO2 + H2O

2) Mg(HCO3)2 + HCl —> CO2 + H2O +MgCL2

Ex 2

1) True

2) True

3) False

4) False

Ex 3

(a) Carbon dioxide, water

Ex 4

It is because of the gas present in it and it disappears when it comes in contact with air as it moves towards air and blow the molecules of

gas which are loosely packed.

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