At atmospheric pressure and very low temperature,water crystallises to
- Ahexagonal form
- Bcubic form
- Ctetragonal form
- Dtetrahedral form
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Similar Questions
Which of the following methods is used for the removal of only temporary hardness of water?
Medium
View SolutionReaction of calgon with hard water containing $Ca^{2+}$ ions produces:
DifficultTS EAMCET 2017
View SolutionGiven below are two statements: One is labelled as Assertion $A$ and the other labelled as Reason $R$.
Assertion $A$: During the boiling of water having temporary hardness,$Mg(HCO_3)_2$ is converted to $MgCO_3$.
Reason $R$: The solubility product of $Mg(OH)_2$ is greater than that of $MgCO_3$.
In the light of the above statements,choose the most appropriate answer from the options given below.
Assertion $A$: During the boiling of water having temporary hardness,$Mg(HCO_3)_2$ is converted to $MgCO_3$.
Reason $R$: The solubility product of $Mg(OH)_2$ is greater than that of $MgCO_3$.
In the light of the above statements,choose the most appropriate answer from the options given below.
DifficultJEE MAIN 2021
View SolutionThe temperatures of maximum density in $H_2O$ and $D_2O$ respectively are:
Medium
View Solution$A$ sample of water contains sodium chloride. It is:
Easy
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