For what purpose is the acid battery hydrometer used?
To find the density of hydrochloric acid in an acid battery
To find the relative density of sulphuric acid in an acid battery
To find the density of sulphuric acid in an acid battery
To find the relative density of hydrochloric acid in an acid battery
A solid of mass 22 kg is immersed in water. If it looses half of its weight in water, its R.D. will be
1/4
2
1/2
4
Two metallic spheres of different materials immersed in water experience equal upthrust. Then both the spheres have equal:-
weights in air
densities
masses
volumes
A wooden cylinder floats in water, with 35% of its volume above water. What is the density of wooden cylinder in SI system?
65 kg m-3
650 kg m-3
0.65 kg m-3
6.5 kg m-3
In case of hydrometer, the density of liquid is equal to:
In case of hydrometer for lighter liquids
its gravity bulb is heavier
the densities of lighter liquids are marked below the density of water.
the density of water is marked at the top of stem.
Its buoyancy bulb is larger
A body weighs 40 gf in air, 36.4 gf in liquid and 36 gf in water. Calculate relative density of the body.
10
100
1000
1
A substance floats in water, but sinks in coconut oil. The density of the substance
is less than the density of water and equal to the density of oil
is greater than the density of oil and equal to the density of water
is less than the density of water and greater than the density of oil
cannot be decided based on the given information.
The density of ice is 0.918 g cm-3 and that of water is 1.03 g cm-3 . An iceberg floats with a portion of 224 m3 outside the surface of water. The total volume of ice berg is:
1545 m3
2575 m3
2060 m3
1030 m3
What is the principle on which a hydrometer works?
Principle of gravitation
Principle of floatation
Principle of surface tension
Principle of calorimetry
