Question

what is metal compound a react with dillute hydrochloric acid to produce effervescence.the gas evoled exitinguisher a burning candle.write a balance chemical equation for the reaction if one of the compound formed is calcium chloride​

Answer 1

Answer:

Let the metal compound be x.

On reaction with HCl:

X + HCl=========>

One of the product is Calcium Chloride

Analysing the question,the gas evolved which extinguishes a burning candle,should be Carbon-dioxide.

The products are Calcium chloride, Carbon-dioxide and hydrogen gas

So,the compound is CaCO3 i.eCalicium Carbonate