Multiple Choice Question Answer XXXXVIII — task. Science CBSE, Class 10.

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1. Both \(CO_2\) and \(H_2\) gases are:

Colourless
Acidic in nature
Heavier than air
Soluble in water

2. Which of the following reactions is/are also called partner exchange reactions?

Neutralisation reactions
Chemical decomposition
Neutralisation and Precipitation
Precipitation reactions

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