What is the effect of shaking dilute $H_2SO_4$ with a small quantity of anhydrous $CuSO_4$?
- AThe white solid dissolves to form a colourless solution
- BThe white solid dissolves to form a green solution
- CThe white solid turns blue but does not dissolve
- DThe white solid dissolves to form a blue solution
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Statements about heavy water are given below.
$A.$ Heavy water is used in exchange reactions for the study of reaction mechanisms.
$B.$ Heavy water is prepared by exhaustive electrolysis of water.
$C.$ Heavy water has higher boiling point than ordinary water.
$D.$ Viscosity of $H_2O$ is greater than $D_2O$.
$A.$ Heavy water is used in exchange reactions for the study of reaction mechanisms.
$B.$ Heavy water is prepared by exhaustive electrolysis of water.
$C.$ Heavy water has higher boiling point than ordinary water.
$D.$ Viscosity of $H_2O$ is greater than $D_2O$.
The following methods can not be used to remove permanent hardness of water:
$D_2O$ is used more in
Easy
View SolutionGive an example of a substance that can exist in different physical states. State its physical properties,chemical composition,and characteristics.
Medium
View SolutionWhich process is used for the removal of hardness of water?
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