MEDIUM
9th CBSE
IMPORTANT
Earn 100

Which one of the following will form a colloid in water?
(a)Common salt
(b)Albumin
(c)Alum
(d)Cane sugar

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Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)
EASY
9th CBSE
IMPORTANT
From which one of the following the components can be separated by sedimentation followed by filtration?

EASY
9th CBSE
IMPORTANT
Sedimentation will take place in which one of the following?

EASY
9th CBSE
IMPORTANT
Brownian motion is observed in which one of the following?

MEDIUM
9th CBSE
IMPORTANT
Tyndall effect is observed in which one of the following?

EASY
9th CBSE
IMPORTANT
In which one of the following is the particle size equal to or greater than 100 nm?

MEDIUM
9th CBSE
IMPORTANT
What is the mass percent of the solvent in a true solution in which the mass percent of the solute is 20?

MEDIUM
9th CBSE
IMPORTANT
Which one is not a correct statement about a true solution?

MEDIUM
9th CBSE
IMPORTANT
A system of a solid in a liquid is stable, its components cannot be separated by filtration and it shows Brownian motion. This system represents which one of the following?
