Which of the following statements is incorrect?
$1$. The property of liquid drops to have minimum surface area is called surface tension.
$2$. Surface tension of liquids decreases with rise in temperature.
$3$. The $SI$ unit of surface tension is $N \ m^{-1}$.
$4$. Magnitude of surface tension is less,when there is strong attractive force between the molecules.
$1$. The property of liquid drops to have minimum surface area is called surface tension.
$2$. Surface tension of liquids decreases with rise in temperature.
$3$. The $SI$ unit of surface tension is $N \ m^{-1}$.
$4$. Magnitude of surface tension is less,when there is strong attractive force between the molecules.
- A$1$
- B$2$
- C$3$
- D$4$
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View SolutionAt $STP$,$0.50 \ mol$ $H_2$ gas and $1.0 \ mol$ $He$ gas:
Consider the following statements:
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Statement-$II$: At constant temperature,the density of an ideal gas is proportional to its pressure.
The correct answer is:
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Statement-$II$: At constant temperature,the density of an ideal gas is proportional to its pressure.
The correct answer is:
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