Question

Give the chemical reaction to show that hydrogen gas is passed over heated calcium

Answer 1

Explanation:

These questions consists of two statements each, printed as assertion and reason, while answering these questions you are required to choose any one of the following responses. 

Assertion : Concentrated aqueous solution of CuCl

2

, Is green in colour.

Reason : The solution contains two complex Ions i.e.[Cu(H

2

O)

4

]

2+

and [CuCl

4

]

2−

in equilibrium.

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