Sorting Materials into Groups (HBBVS) Online Test

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Sorting Materials into Groups (HBBVS)

Description: Class 6th Classification of materials
Number of Questions: 15
Created by: Ankita Patil
Tags: Sorting Materials into Groups HBBVS Class 6

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What is annealing of iron?

Breaking an iron rod
Repeatedly heating and cooling an iron rod to increase strength
Coating an iron rod with another metal
Rusting of iron due to water
NA

Which of the following materials is sonorous?

Plastic
Steel
Wood
Coal
NA

What happens when a paper is oiled?

The paper will become translucent.
The paper will become opaque.
It will become transparent.
The paper will melt.
NA

Why are non-ferrous metals not used as structural materials?

They can't be drawn onto planks.
They are not sonorous.
They lack mechanical strength.
They are non-metals.
NA

What is the unit of density?

Kilogram per metre cube
Gram per metre cube
Centimetre per kilogram cube
Metre per kilogram square
NA

Sam heard the school bell and went to see the same. He was surprised to find a metal gong and a striker hammer in the bell. He asked his friend the reason for the same.

Which of the following is the correct reason for the metal gong to be used?

Metal gong is cheap.
Metals are highly sonorous.
Both (A) and (B)
None of these
NA

Choose the odd one out.

Stone
Cardboard
Oiled sheet
Spoon
NA

Which of the following is insoluble in water?

Oxygen
Salt
Saw dust
Copper sulphate
NA

Amit takes one table spoon of salt and another table spoon of chalk powder. He takes a glass of water and dissolves them both in the same.

In the above situation, what shall be observed in the glass from the following?

Both chalk powder and salt will be completely dissolved making the water milky.
Chalk powder will first float, then settle down at the bottom and the salt will be fully dissolved.
Both salt and chalk powder will be undissolved.
Chalk powder will completely dissolve and salt will remain undissolved on the surface.
NA

Which one of the following is the other name of corrosion?

Galvanisation
Iron oxidation
Casting of iron
None of these
NA

Materials made by two or more materials are known as

Composite materials
Alloys
Saturated materials
Unsaturated materials
NA

Amit plans to build an airplane. Which of the following is the best choice of material?

Iron
Aluminium
Cardboard
Steel sheet
NA

Which of the following are buoyant materials?

Wooden cork
Glass
Iron nail
Aluminium ball
NA

Which of the following are electrically conductive materials?

Copper
Glass
Cork
Sillicon
NA

Which of the following are heat conducting materials?

Wood
Glass
Steel
Cork
NA

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Sorting Materials into Groups (HBBVS)

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