Match List-I with List-II

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Question:
Match List-I with List-II

Choose the most appropriate answer from the options given below:

$\mathrm{a}-\mathrm{i}, \mathrm{b}-\mathrm{iv}, \mathrm{c}-\mathrm{iii}, \mathrm{d}-\mathrm{ii}$
$\mathrm{a}-\mathrm{iii}, \mathrm{b}-\mathrm{ii}, \mathrm{c}-\mathrm{iv}, \mathrm{d}-\mathrm{i}$
$\mathrm{a}-\mathrm{iii}, \mathrm{b}-\mathrm{iv}, \mathrm{c}-\mathrm{i}, \mathrm{d}-\mathrm{i}$
$\mathrm{a}-\mathrm{iii}, \mathrm{b}-\mathrm{ii}, \mathrm{c}-\mathrm{i}, \mathrm{d}-\mathrm{iv}$

Correct Option: , 3

Solution:

$\mathrm{Ca}(\mathrm{OCl})_{2}$ is Bleach.

$\mathrm{CaSO}_{4} \cdot \frac{1}{2} \mathrm{H}_{2} \mathrm{O}$ is plaster of paris.

$\mathrm{CaCO}_{3}$ is used as an antacid. $\mathrm{CaO}$ is major component of cement.