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Colloidal particles can be separated by the _____ method.

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Important Questions on Elements, Compounds and Mixtures

EASY

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which one of the following is solution?

EASY

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Fog is a colloidal solution of

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which one of the following will show Tyndall Effect.

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

A solution is prepared by dissolving

60 g

of sugar in

480 g

of water. Concentration in terms of mass by a mass percentage of the solution is:

MEDIUM

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Milk is the example of the following type of colloid

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Gas used for precipitation of pure common salt

(NaCl)

from saturated solution of common salt is

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which of the following statement is true about the solubility of a substance?

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which method is used to separate cream from milk:

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

110 g

of salt is present

550 g

of the solution then the concentration of the solution will be:

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

What is the mass of oxygen required to react completely with

15 g

H_{2}

gas to form water:

EASY

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

The alloy nichrome contains

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Take 30g of common salt and dissolve it 70g of water, Find the concentration of the solution in terms of weight percent.

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which one of the following is not a homogeneous mixture?

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Solution is

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Which one of the following alloy does not contain copper?

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Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Components present in air can be separated by

HARD

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

At a refinery, petroleum is separated into several components by a process called fractional distillation using a fractionating column. Which of the following statement is incorrect about the process?
(I) Temperature decreases from the bottom to the top of the column
(II) At each level in the column only one compound is collected
(III) The fraction collecting at the top of the column is less volatile
(IV) The fraction with the highest boiling point condenses first and gets collected near the base of the fractionating column.

EASY

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

_____ is not an example of Aerosol.

MEDIUM

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

Dispersed medium + Dispersion medium =

HARD

Chemistry>Introduction to Chemistry>Elements, Compounds and Mixtures>Mixture

A mixture of sulphur and carbon disulphide is:

Colloidal particles can be separated by the _____ method.

Important Questions on Elements, Compounds and Mixtures

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