As volume of water increase, its ……… also decreases.
a) pressure
b) density
c) temperature
d) gravity
Water has maximum density of 1g/cm3 at…...
a) 40C
b) 50C
c) 600C
d) 70C
Unique property of water is called ……….
a) anomalous expansion of water
b) anomalous contraction of water
c) both a & b
d) none of these
Maintaining water Quality:-
Water quality is defined on the bases of its …
a) physical, chemical
b) biological, radiological characteristics
c) its solubility for use
d) all of these
If water quality is not maintained, we will also face numerous problems like………
a) shortage of drinking water
b) intestinal disease
c) irrigation problems
d) all of these
