Choose the best: Types of chemical reactions — task. Science CBSE, Class 10.

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Choose the best answer:

1.

$CuO$ +

$H_2$ →

$H_2O$ +

$Cu$ , reaction is an example of

synthesis reaction
redox reaction
neutralisation
analysis reaction

2. Black and white photography uses-

both of these
decomposition of silver chloride
decomposition of silver bromide
decomposition of silver halide

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