Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Check Point>Q A

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In the following chemical reaction, explain why iron $(Fe)$ is replacing copper $(Cu)$ from copper sulphate $({CuSO}_{4})$ solution.

$Fe + {CuSO}_{4} \to {FeSO}_{4} + Cu$ .

Important Questions on Chemical Reactions

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

The reaction of acetylene and hydrogen in the presence of heated nickel powder, is called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

When a piece of iron is put into cupric sulphate solution, iron displaces cupric and forms ferrous sulphate. This reaction is called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

The substitution reaction is a characteristic of

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

Ammonium chloride, on heating, forms

{NH}_{3}

and

HCl

gas which on cooling again forms ammonium chloride. This reaction is called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

Reactions in which new compounds are formed by the exchange between ions or components of compounds, are called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

The reaction in which the valency of positive ion or metal increases, is called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

The reaction in which an atom or ion gains electron, is called

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Its All About Science - Chemistry>Chapter 6 - Chemical Reactions>Exercise>Q A

The loss of electronegative part of a substance is