Question

Choose the correct alternative :

In the following set up, the gas evolved turns lime water milky. Identify ‘X’

a
dilute HCl

b
water

c
NaOH solution

d
calcium hydroxide​

Answer 1

calcium hydroxideCaOH

Answer 2

Explanation:

the substance X is HCL because the following reaction takes place.

Na2CO3 + HCL~ NaCL+ H2O+ CO2

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