SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three types of chemical reactions are synthesis, ____, and replacement.
A
catalyst
B
energy
C
activation energy
D
decomposition
E
chemical changes
Explanation: 

Detailed explanation-1: -synthesis reaction-a reaction that occurs when two atoms interact to form one atom. decomposition reaction– a reaction that occurs when a compound breaks down into two or more atoms. combustion reaction – when a substance reacts with oxygen, forming light and heat in the form of fire. More items

Detailed explanation-2: -A synthesis reaction occurs when two or more reactants combine to form a single product. In a decomposition reaction, one reactant breaks down into two or more products. This is the reverse of a synthesis reaction. Replacement reactions occur when elements switch places in compounds.

Detailed explanation-3: -A synthesis reaction is a type of chemical reaction in which two or more simple substances combine to form a more complex product. A decomposition reaction is a type of chemical reaction in which one reactant yields two or more products.

Detailed explanation-4: -There are 3 different types of decomposition reactions thermal, electrolytic, and photolytic.

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