Smoke is an solution of _________?

A. Solid in solid
B. Solid in liquid
C. Solid in gas
D. Gas in gas

Submitted by: IHSAN MallaH

Smoke is a colloidal solution of suspended dust particles in the air. So, in the smoke dispersed phase is solid dust particles, and the dispersed medium is air which is a mixture of gases. Hence, Smoke is a solid aerosol-type colloid consisting of the solid dispersed phase in the gaseous dispersed medium.

Related Mcqs:

Which of the following chemicals is not found in tobacco smoke?
A. Chlorine bleach
B. Rocket fuel
C. Nail polish remover
D. Barbecue lighter fluid

Submitted by: Mansoor Ul Haque
One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?
A. Molarity
B. Molality
C. Normality
D. Formality

Submitted by: Mansoor Ul Haque
An egg sinks in soft water but floats in a concentrated solution of salt because?
A. egg absorbs salt from the solution and expands
B. albumin dissolves in salt solution and egg becomes lighter
C. the density of salt solution exceeds the density of eggs
D. water has high surface tension

Submitted by: Malik Asghar Hussain
The temperature at which two conjugate solutions change into one homogeneous solution is called__________?
A. Azeotrope
B. Conjugate temperature
C. Consolute temperature
D. Eutectic point

Submitted by: Muhammad Ali Kunbhar
Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.
A. Saturn, Jupiter, Hydrogen
B. Uranus, Neptune, Nitrogen
C. Saturn, Neptune, Nitrogen
D. Mars, Venus, Hydrogen

Submitted by: Muhammad Abdullah
Cusec is a unit of _________?
A. Area
B. Time
C. Distance
D. mass
E. None of these
A shooting star is _________?
A. Sun
B. A comet
C. A meteor
D. An steroid

Submitted by: Mirza Musawer Jamil
Which one of the following elements the drum of a Photostat machine is made up of: _________?
A. Aluminium
B. Selenium
C. Barium
D. None of these

Submitted by: Abid Hussain
Pomology is the study of: _________?
A. Mind
B. Bones
C. Fruits
D. Birds

Submitted by: Umar Shahid
_________ extends from the top of the troposphere to the bottom of the mesosphere.
A. Thermosphere
B. Ionosphere
C. Stratosphere
D. None of the above

Submitted by: Muhammad Abdullah