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Elements, Compounds and Mixtures

Description: Elements, Compound & Mixtures
Number of Questions: 10
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Tags: Elements Compound & Mixtures Elements Compounds & Mixtures Elements compounds & mixtures
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Which of the following types of mixtures are not heterogeneous?

  1. Colloids

  2. Suspensions

  3. True solutions

  4. None of these


Correct Option: C
Explanation:

Correct answer is option (3).

What type of a mixture does iodine and alcohol form?

  1. Liquid-liquid homogeneous

  2. Liquid-liquid heterogeneous

  3. Solid-liquid homogeneous

  4. Solid-liquid heterogeneous


Correct Option: C
Explanation:

Iodine and alcohol form a solid-liquid homogeneous mixture.

Cooking oil is a/an ________.

  1. element

  2. compound

  3. mixture

  4. alloy


Correct Option: C
Explanation:

Cooking oil is a mixture.

Which of the following forms of matter is more stable at lower temperatures?

  1. Solid

  2. Liquid

  3. Gas

  4. Plasma


Correct Option: A
Explanation:

Solids are more stable at lower temperatures.

Which of the following is not a property of any individual constituent of sugar?

  1. Black insoluble solid

  2. Gaseous in nature

  3. Crystalline solid

  4. None of these


Correct Option: C
Explanation:

Starch has carbon, hydrogen and oxygen as its constituents. Option (1) is the property of carbon. Option (2) is the property of oxygen and hydrogen. Option (3) is the property of sugar, not its constituents.   

The ___________ of the particles of two different types of matter on their own is called as diffusion.

  1. separation

  2. intermixing

  3. filtering

  4. dilution


Correct Option: B
Explanation:

The intermixing of the particles of two different types of matter on their own is called diffusion.

A solution in which more solute could be dissolved at any fixed temperature is called

  1. unsaturated solution

  2. saturated solution

  3. supersaturated solution

  4. colloidal solution


Correct Option: A
Explanation:

A solution in which more solute could be dissolved at any fixed temperature is called unsaturated solution.

The substance which is dissolved in a liquid to make a solution is called __________.

  1. solvent

  2. solute

  3. colloid

  4. residue


Correct Option: B
Explanation:

The substance which is dissolved in a liquid to make a solution is called solute.

The solution obtained by dissolving a solute in any solvent other than water is called

  1. non-aqueous solution

  2. aqueous solution

  3. mixture

  4. suspension


Correct Option: A
Explanation:

The solution obtained by dissolving a solute in any solvent other than water is called non-aqueous solution.

Which of the following metals is non-malleable and non-ductile?

  1. Zinc

  2. Copper

  3. Sodium

  4. Gold


Correct Option: C
Explanation:

Sodium is non-malleable and non-ductile.

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