The separation of cream from milk by churning is due to
(A) Cohesive force
(B) Centrifugal force
(C) Gravitational force
(D) None of the above
The density of milk can be obtained by the use of –
(A) Lactometer
(B) Thermometer
(C) Hydrometer
(D) Butyrometer
What is measured in cusecs?
(A) Flow of water
(B) Quantity of water
(C) Purity of water
(D) Depth of water
Which set of conditions represents the easiest way to liquefy agas?
(A) Low temperature and low pressure
(B) High temperature and high pressure
(C) Low temperature and high pressure
(D) High temperature and low pressure
The substance which conducts current in the solid state is –
(A) iodine
(B) sodium chloride
(C) diamond
(D) graphite
The sky appears blue die to
(A) Refraction of light
(B) Scattering of light
(C) Diffraction of light
(D) Reflections of light
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