A. Chromatography
B. Fractional distillation
C. Sublimation
D. None of these
mixture of sand and naphthalene can be separated by “Sublimation”.
A. Difference in crystalline Structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
Submitted by: Malik Asghar Hussain
An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
A. The mass of the astronaut is reduced to zero
B. Gravity inside the spacecraft ceases to act
C. The astronaut is outside the influence of the earth’s gravitational force
D. The astronaut and the spacecraft are both in a free-failing state
A. Wine
B. Digestion
C. Kidneys
D. None
A. Cheese
B. Milk
C. Rice
D. None of these
A. Motor.
B. Transformer.
C. Coil.
D. Generator.
A. Psoriasis
B. Hypermetropia
C. Leukoderma
D. Diphtheria