Question

a colourless gas B is produced when egg shell is treated with a solution A. The gas B turns lime water milky. What are A and B?

A. A = NaCl  and B = CO2A = NaCl  and B = CO2

B. A = HCl and B = CO2A = HCl and B = CO2

C. A = NaCl and B = Cl2A = NaCl and B = Cl2

D. A =H2SO4 and B = O2A =H2SO4 and B = O2


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Answer 1

Answer:

hi guys I am

Explanation:

a and b are correct I think

Answer 2

Answer:

option b is the correct answer