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Sorting Materials Into Groups

Description: materials Properties of MaterialsObjects Around UsSorting Materials into Groups
Number of Questions: 15
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Tags: materials Properties of Materials Objects Around Us Sorting Materials into Groups
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Which of the following is not correct?

  1. Stone is opaque and glass is transparent.

  2. Sand does not dissolve in water.

  3. Water has a fixed volume, but it does not have its own shape.

  4. X-ray film is a transparent object.

  5. Vinegar dissolves in water.


Correct Option: D
Explanation:

No, it is translucent as we can partly see through it.

Find the odd one out.

  1. Sodium chloride

  2. Sodium carbonate

  3. Silver carbonate

  4. Calcium chloride

  5. Copper sulphate


Correct Option: C
Explanation:

It is insoluble in water.

Which of the following gases is not soluble in water?

  1. Oxygen

  2. Carbon dioxide

  3. Argon

  4. Propane

  5. Ethane


Correct Option: D
Explanation:

This gas is not soluble in water.

__________ is a bad conductor of electricity.

  1. Copper

  2. Diamond

  3. Aluminium

  4. Silver

  5. Gold


Correct Option: B
Explanation:

It is a bad conductor of electricity because there are no free electrons.

Which of the following objects does not float on water?

  1. Piece of ice

  2. Rubber duck

  3. Honey

  4. Wood

  5. Buoy


Correct Option: C
Explanation:

It sinks because it is more dense than water.

_____ is not a property of material.

  1. Transparency

  2. Appearance

  3. Conductivity

  4. Combustibility

  5. Observability


Correct Option: E
Explanation:

It is the state of being observable about something.

Which of the following metals never tarnishes?

  1. Gold

  2. Iron

  3. Silver

  4. Copper

  5. Aluminum


Correct Option: A
Explanation:

Gold never tarnishes because it never reacts with oxygen.

__________ materials do not allow light to pass through them.

  1. Sheer

  2. Opaque

  3. Diaphanous

  4. Pellucid

  5. Translucent


Correct Option: B
Explanation:

It does not allow light to pass through it.

Which of the following is a soluble compound?

  1. Silver chlorate

  2. Silver bromide

  3. Silver chloride

  4. Silver iodide

  5. Silver carbonate


Correct Option: A
Explanation:

It is a soluble compound.

What is the density (g/cm³) of water?

  1. 13.55

  2. 1.03

  3. 0.9

  4. 0.99984

  5. 0.969


Correct Option: D
Explanation:

Yes, it is the density of water.

__________ is the solid part of a solution.

  1. Solvent

  2. Solubility

  3. Soluble

  4. Screen

  5. Solute


Correct Option: E
Explanation:

It is the solid part of a solution.

Which of the following is a non-combustible substance?

  1. Hydrogen gas

  2. Neon

  3. Methane

  4. Ethanol

  5. Propane


Correct Option: B
Explanation:

It is an inactive chemical.

Which of the following has a smooth surface?

  1. Sole of shoes

  2. Surface of a ply board

  3. Surface of wet soap

  4. Unpainted wall

  5. Surface of a brick


Correct Option: C
Explanation:

It is smooth to touch.

Leather is not used to make

  1. briefcases

  2. jackets

  3. belts

  4. pens

  5. purses


Correct Option: D
Explanation:

It is made of plastic and metal.

______ has a fixed volume, but not a fixed shape.

  1. Glass

  2. Carbon dioxide

  3. Lemon juice

  4. Stone

  5. Crushed paper


Correct Option: C
Explanation:

It has fixed volume, but not fixed shape.

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