SSC MTS EXAM

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SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When one element replaces another element in a compound, or if two elements in different compounds trade places, the reaction is called a decomposition.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Sometimes, an element replaces another element that is a part of a compound. This type of reaction is called a single-displacement reaction.

Detailed explanation-2: -In a double replacement (a.k.a. double displacement or metathesis) reaction two compounds typically react with each other to produce two different compounds. This type of reaction is often an exchange of positive and negative components of the compounds. Two examples are precipitation and acid-base reactions.

Detailed explanation-3: -Single Replacement Reactions A single replacement reaction occurs when one element replaces another in a single compound. This type of reaction has the general equation: A + BC → B + AC. In this equation, A represents a more reactive element and BC represents the original compound.

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