MEDIUM
9th CBSE
IMPORTANT
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Tyndall effect is observed in which one of the following?
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Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)
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?
HARD
9th CBSE
IMPORTANT
What masses of solute and solvent are needed to prepare grams of a mass percent aqueous solution of sugar?
MEDIUM
9th CBSE
IMPORTANT
Barium sulphate used in barium X-ray belongs to which type of systems?
MEDIUM
9th CBSE
IMPORTANT
A colloidal system of one liquid in another liquid is called which one of the following?
MEDIUM
9th CBSE
IMPORTANT
Which one of the following is a mixture of two elements?
