Question

Explain the types of chemical reactions (5marks)​

Answer 1

Answer:

• Combination Reaction. A reaction in which two or more reactants combine to form a single product is known as a combination reaction. ...
• Decomposition Reaction. ...
• Displacement Reaction. ...
• Double Displacement Reaction. ...
• Precipitation Reaction

Explanation:

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Answer 2

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☞Explain the types of chemical reactions .

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1→ COMBINATION REACTION

☞When Two or more compounds combine to form one compound is called combination reaction.

☞Combination reaction is also known as a synthesis reaction.

$\sf\pink{☞It\: takes \:the \:form \:A+B=>AB}$

$\sf\pink{☞For example→2Na + Cl_2 → 2NaCl}$

2→DECOMPOSITION REACTION

☞A reaction in which a single compound breaks into two or more simpler compounds is known as a decomposition reaction.

☞The reaction in which a compound decomposes due to heating is known as a thermal decomposition reaction.

$\sf\green{☞It \:takes\: the\: form\: of\: XY → X + Y}$

☞A decomposition reaction is just the opposite of combination reaction.

$\sf\green{☞Example-: CaCO_3 → CaO + CO_2}$

3→DISPLACEMENT REACTION

☞A chemical reaction in which a more reactive element displaces a less reactive element from its aqueous salt solution.

$\sf\blue{☞It \:takes \:the \:form\: X + YZ → XZ + Y}$

☞It is also called a substitution reaction

$\sf\blue{☞Example -: Zn + CuSO_4 → ZnSO_4 + Cu}$

4→DOUBLE DISPLACEMENT REACTION

☞A chemical reaction in which ions gets exchanged between two reactants which form a new compound is called a double displacement reaction.

☞It is also called a metathesis reaction.

$\sf\orange{☞It \:takes\: form\: of \:XY + ZA → XZ + YA}$

$\sf\orange{☞Example -: BBaCl_2 + Na_2SO_4 → BaSO_4 + 2NaCl}$

5→NEUTRILIZATION REACTION

☞An acid and a base react with each other. Generally, the product of this reaction is a salt and water.

$\sf\red{☞It\: is\: form \:of \:Acid + Base → Salt + Water}$

$\sf\red{☞Example-:NaOH+HCl⟶NaCl+H_2O}$

KNOW MORE -:

• A chemical reaction that involves the formation of an insoluble product (precipitate; solid) is called Precipitation reaction.

• The reactants are soluble, but the product formed would be insoluble and separates out as a solid.