(D) The presence of water in a liquid can be detected using anhydrous copper sulfate $(CuSO_4)$.Anhydrous copper sulfate is white in color.When it com

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(D) The presence of water in a liquid can be detected using anhydrous copper sulfate $(CuSO_4)$.Anhydrous copper sulfate is white in color.When it comes in contact with water,it absorbs water to form hydrated copper sulfate $(CuSO_4 \cdot 5H_2O)$,which is blue in color.This color change from white to blue confirms the presence of water.

Class 11 Chemistry Hydrogen Water or hydride of oxygen

Easy

Which of the following is a good scientific method to detect the presence of water in a liquid?

A
Using litmus paper
B
Taste
C
Smell
D
Using anhydrous copper sulfate

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Hydrogen

Subtopic

Water or hydride of oxygen

The reason for the exceptionally high boiling point of water is -

Medium

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Match the following methods for treating hardness of water with their corresponding reagents used.
List-$I$ List-$II$
$A$. Treatment with washing soda $I$. $Ca(OH)_2$
$B$. Calgon's method $II$. $Na_2CO_3$
$C$. Clark's method $III$. $NaAlSiO_4$
$D$. Zeolite/permutit process $IV$. $Na_6P_6O_{18}$

The correct match is:

List-$I$	List-$II$
$A$. Treatment with washing soda	$I$. $Ca(OH)_2$
$B$. Calgon's method	$II$. $Na_2CO_3$
$C$. Clark's method	$III$. $NaAlSiO_4$
$D$. Zeolite/permutit process	$IV$. $Na_6P_6O_{18}$

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