Physics
Rise of oil a wick is due to

Pressure of the oil
Density of the oil
Viscosity of the oil
Surface tension of the oil

ANSWER DOWNLOAD EXAMIANS APP

Physics
An egg sinks in soft water but floats in a concentrated solution of salt because

The density of salt solution exceeds the density of eggs
Albumin dissolves in salt solution and egg becomes lighter
Egg absorbs salt from the solution and expands
Water has high surface tension

ANSWER DOWNLOAD EXAMIANS APP