Question

what is chemical reaction? give one suitable example to clarify my daubt?.


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Answer 1

Answer:-

Chemical Reaction:-

The process which leads to the transformation of one set of chemical substances to another is known as chemical reaction.

Example:-

• Neutralization reaction ( acid +base e.g.. HCl + NaOH) Combustion reaction ( Mg + O2 )
• Rusting of a nail Adding vinegar to baking soda

Explanation:-

1. There are four types of chemical reactions . They are as follows :
2. Combination reaction
3. Decomposition reaction
4. Displacement reaction
5. Double-displacement reaction

Answer 2

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Chemical reaction can be defined as the process in which a substance or substances undergo change to produce new substances with new different properties.

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$N_2(g) + 3H_2(g) ----> 2NH_3(g)$

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We are accompanied by certain reactions such as souring of milk is known as chemical reaction. A chemical reaction represents the change of the atoms or molecules taking part in the reaction into new substances. The reacting substances are known as the reactants and those substance which are formed as a result of the reaction are known as products. In chemical reaction bonds present in the reactants break and new bonds in the product are formed. The exchange of atoms and molecules in chemical reactions can take place in a number of ways leading to different type of chemical reactions.

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$N_2(g) + 3H_2(g) ----> 2NH_3(g)$

It is a combination reaction in which two substances combine two give new substance with different properties.

When Nitrogen gas reacts with hydrogen gas in the ratio 1:3, Ammonia gas is formed during the chemical reaction as a product.

Here, Nitrogen gas and Hydrogen gas are reactants because they participate in this reaction. Ammonia gas is a product because it is formed during the chemical reaction between the Nitrogen gas and the Hydrogen gas.