Question

identify the difference between the following reaction:(i)Mg+2HCl-----MgCl2+H2​

Answer 1

➡️ metal reacts with a acid.

➡️ when metal reacts with a acid then hydrogen gas evolved.

➡️ when burning candle is placed upper side of the test tube pop sound produces.

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Answer 2

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1 st Reaction:-

agno3 + hcl = agcl +hno3

This reaction in the form of ,

AB+C ---> A+BC

This type of reaction is known as Displacement Reaction.

Displacement Reaction:-

One reactant is being displaced with another reactants.

2 nd Reaction:-

mg +2hcl = mgcl2 + h2

This type of reaction is known as Double Displacement Reaction.

Double Displacement Reaction:-

Any two reactants in the reaction exchange with each other to form a new compound.

Hope it will help you