Question

Identify the substance underlined:
(0) A metalcarbonate which does not decompose on heating
(1) A dilute acid which cannot be used for the laboratory preparation of
hydrogen.
A metal nitrate which produces a brown gas on heating and the residue
is yellow when hot, white when coid.
1.Metal carbonate is underlined
2.dilute acid is underlined
3.metal nitrate is underlined ​

Answer 1

Answer:

1. sodium carbonate and potassium carbonate

2. nitric acid

3. Potassium Nitrate

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