Why is gypsum added to cement?
- ATo increase the rate of setting
- BTo slow down the process of setting
- CTo make the cement waterproof
- DTo increase the strength of the cement
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Similar Questions
Which one of the following alkaline earth metals does not form hydride when it is heated with hydrogen directly?
An element of group $2$ forms a covalent oxide which is amphoteric in nature and dissolves in water to give an amphoteric hydroxide. Identify the element and write chemical reactions of the hydroxide of the element with an alkali and an acid.
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View SolutionWhich of the following carbonates decomposes upon heating?
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View Solution$A$ substance absorbs $CO_2$ and violently reacts with water. That substance is
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View SolutionMatch the following alkaline earth metals with their respective densities $(g/cm^3)$:
$A$. $Be$ $I$. $1.74$ $B$. $Mg$ $II$. $1.84$ $C$. $Ca$ $III$. $2.63$ $D$. $Sr$ $IV$. $1.55$
| $A$. $Be$ | $I$. $1.74$ |
| $B$. $Mg$ | $II$. $1.84$ |
| $C$. $Ca$ | $III$. $2.63$ |
| $D$. $Sr$ | $IV$. $1.55$ |
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