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Question

In the formula CaBr2​ what does Ca stand for and what is its valency?


A

Calcium +1

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B

calcium -1

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C

Calcium +2

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D

Calcium -2

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Solution

The correct option is C

Calcium +2


The word equation will be be written as:
Sodium hydroxide + calcium bromide Calcium hydroxide + sodium bromide.
Ca stands for calcium. From the formula CaBr2 it is evident that the valency of calcium is 2 and the valency of bromine is 1.


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