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Important Questions Test: Sorting Materials into Groups


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20 Questions MCQ Test Science & Technology for UPSC CSE | Important Questions Test: Sorting Materials into Groups

Important Questions Test: Sorting Materials into Groups for UPSC 2022 is part of Science & Technology for UPSC CSE preparation. The Important Questions Test: Sorting Materials into Groups questions and answers have been prepared according to the UPSC exam syllabus.The Important Questions Test: Sorting Materials into Groups MCQs are made for UPSC 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Sorting Materials into Groups below.
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Important Questions Test: Sorting Materials into Groups - Question 1

Which pair of substance float in water

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 1

Those substances that have less density than water floats on water surface such as plastic ball and feather.

Important Questions Test: Sorting Materials into Groups - Question 2

All metals are ----------- of heat and electricity.

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 2

All metals are good conductor of heat and electricity.

Important Questions Test: Sorting Materials into Groups - Question 3

Hardest known natural substance is

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 3

Diamond is the hardest known natural substance due to arrangement of molecule of it.

Important Questions Test: Sorting Materials into Groups - Question 4

Which is soluble in water?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 4

Sugar is soluble in water while mustard oil, sand and plastic is insoluble in water.

Important Questions Test: Sorting Materials into Groups - Question 5

Chair, table and plough are made up of

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 5

Chair, table and plough are made up of wood obtained from plants.

Important Questions Test: Sorting Materials into Groups - Question 6

Which one is a combustible substance?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 6

Those substances that burn easily are called combustible substance. Ghee is animal fat, which is combustible in nature.

Important Questions Test: Sorting Materials into Groups - Question 7

Which is a magnetic material?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 7

Those substances that are attracted by magnet are called magnetic material. Iron is a magnetic material.

Important Questions Test: Sorting Materials into Groups - Question 8

Which is lighter than water?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 8

Petrol is lighter than water as it floats on water surface when mixed with water.

Important Questions Test: Sorting Materials into Groups - Question 9

Properties of metal due to which it can be beaten into thin sheet is called

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 9

The properties of metal due to which metal can be beaten into thin sheet is called as malleability. Gold is most malleable metal.

Important Questions Test: Sorting Materials into Groups - Question 10

Which one is not a transparent object?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 10

The object through which light passes easily are called as transparent object. Clean glass, glass and thin sheet of plastic are transparent while muddy water is translucent.

Important Questions Test: Sorting Materials into Groups - Question 11

The substance through which light do not pass is called

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 11

The substance through which light do not pass easily is called as opaque object. Brick, book etc are example of opaque objects.

Important Questions Test: Sorting Materials into Groups - Question 12

Which one is a compound?

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 12

Iron, silver and gold are elements while common salt is compound of sodium and chlorine.

Important Questions Test: Sorting Materials into Groups - Question 13

Metallic object loose their lustre due to

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 13

The action of air, water on metal surface is called as corrosion. Due to corrosion metallic objects lose their lustre

Important Questions Test: Sorting Materials into Groups - Question 14

The ability of a solute to get dissolved in to a solvent is called

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 14

The ability of a solute to get dissolved in a solvent is called as solubility.

Important Questions Test: Sorting Materials into Groups - Question 15

Rusting of iron takes place in presence of

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 15

Rust is the Result of Corrosion of Metallic Iron. Iron is oxidized to Fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or a lattice defect. Oxygen is reduced to water at a different site on the surface of the iron, which acts as the cathode.

Important Questions Test: Sorting Materials into Groups - Question 16

Making orderly arrangement of materials is called

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 16

The sorting of objects into groups with each group having its own characteristic properties is called classification of objects. All the objects having similar characteristics properties are placed in one group different groups. And the objects having different properties are placed in different groups.
1. The classification of objects into groups makes it easier to locate them and work with them.
2. If we know the properties of any one member of the group, we can get an idea of the properties of the other members of this group.

Important Questions Test: Sorting Materials into Groups - Question 17

Newspaper, a book, a copy, a diary are made up of

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 17

Newspaper, a book, a copy, a diary are made up of paper obtained from plants.

Important Questions Test: Sorting Materials into Groups - Question 18

CNG stands for

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 18

CNG stands from compressed natural gas which is stored at very high pressure.

Important Questions Test: Sorting Materials into Groups - Question 19

Substances that can burn easily are called

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 19

The substances that can burn easily are called as combustible substance such as coal , petrol, wood etc.

Important Questions Test: Sorting Materials into Groups - Question 20

Non-metal which is good conductor of electricity is

Detailed Solution for Important Questions Test: Sorting Materials into Groups - Question 20

Non-metals are generally bad conductor of electricity but graphite is good conductor of electricity.

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