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Test: Materials: Metals & Non-Metals- 1


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10 Questions MCQ Test General Science(Prelims) by IRS Divey Sethi | Test: Materials: Metals & Non-Metals- 1

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Test: Materials: Metals & Non-Metals- 1 - Question 1

Gold : metal :: Silicon : _____

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 1

Gold is metal and Silicon is a metalloid. Those elements that shows the property of both metal and non-metal are called metalloids.

Test: Materials: Metals & Non-Metals- 1 - Question 2

The property by which metals can be beaten into sheets is known as ___

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 2

Malleability is a physical property of metals that defines their ability to be hammered, pressed, or rolled into thin sheets without breaking. In other words, it is the property of a metal to deform under compression and take on a new shape.

Test: Materials: Metals & Non-Metals- 1 - Question 3

Non metal that conducts electricity is :

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 3

Non-metal are generally bad conductors of electricity but Graphite is an allotrope of carbon which is a good conductor of electricity.

Test: Materials: Metals & Non-Metals- 1 - Question 4

Pick the odd one from the following elements.

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 4

Out of these only Carbon (C) is a non-metal whereas the others are all metals.

Test: Materials: Metals & Non-Metals- 1 - Question 5

Rust formation is called :

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 5

Formation of rust on metal surface like iron is also called as corrosion. Corrosion occurs in presence of water and oxygen.

Test: Materials: Metals & Non-Metals- 1 - Question 6

A metal is characterised by :

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 6

Metal is characterised by high electrical conductivity. Metals are malleable, ductile, sonorous and good conductor of heat and electricity.

Test: Materials: Metals & Non-Metals- 1 - Question 7

Non metals occur as:

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 7

Non-metals are found in nature in solid, liquid and gaseous state. On the other hand metals are found in solid state except mercury that is liquid at room temperature.

Test: Materials: Metals & Non-Metals- 1 - Question 8

Which of the following metals can be cut with a knife?

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 8

Metals like sodium and potassium are soft and can be cut with a knife.

Test: Materials: Metals & Non-Metals- 1 - Question 9

Metalloids are also known as :

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 9

Those elements that show the property of both metal and non-metal both are called metalloid or semi metals. Silicon, germanium etc are common metalloid.

Test: Materials: Metals & Non-Metals- 1 - Question 10

Metals are solid except:

Detailed Solution for Test: Materials: Metals & Non-Metals- 1 - Question 10

All metals are found in solid state at normal room temperature except mercury, which is liquid at room temperature.

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