Is Matter Around Us Pure Test

Result

Is Matter Around Us Pure Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

The properties of mixture are _________ from its components.

A
slightly different

B
entirely different

C
different

D
similar (Testing)
Question 2
1 / -0

The smell of hydrogen sulphide (H2S) gas is

A
pleasant

B
of rotten eggs

C
of burning sulphur

D
None of these
Question 3
1 / -0

Which of the following is a colloid?

A
Aluminium paint

B
Blood

C
Milk

D
All
Question 4
1 / -0

Which of the following is a true solution?

A
Milk

B
Chalk powder in water

C
Salt solution

D
Blood
Question 5
1 / -0

When iron and sulphur are heated at high temperature

A
Black coloured FeS is formed

B
Mixture of iron and sulphur is obtained

C
Yellow coloured iron sulphide is formed

D
They do not heat.
Question 6
1 / -0

The process of separation of insoluble solids from a liquid is called:

A
Filtration

B
Decantation

C
Crystallisation

D
Evaporation
Question 7
1 / -0

The size of the colloidal particle is in the range of

A
1 Å to 100 Å

B
1 nm to 100 nm

C
10^–9 m to 10^–6 m

D
10^–9 cm to 10^–7 cm
Question 8
1 / -0

An example of a liquid metal and a liquid non-metal is

A
gallium, mercury

B
mercury, chlorine

C
mercury, bromine

D
bromine, sulphur
Question 9
1 / -0

Which out of the following is a heterogeneous mixture?

A
air

B
brass

C
Iodised table salt

D
steel
Question 10
1 / -0

Brass is an example of a

A
homogeneous compound

B
homogeneous mixture

C
heterogeneous mixture

D
heterogeneous compound

User

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Re-Attempt Weekly Quiz Competition

Is Matter Around Us Pure Test - 5

Result

Is Matter Around Us Pure Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

slightly different

entirely different

different

similar (Testing)

Question 2

pleasant

of rotten eggs

of burning sulphur

None of these

Question 3

Aluminium paint

Blood

Milk

All

Question 4

Milk

Chalk powder in water

Salt solution

Blood

Question 5

Black coloured FeS is formed

Mixture of iron and sulphur is obtained

Yellow coloured iron sulphide is formed

They do not heat.

Question 6

Filtration

Decantation

Crystallisation

Evaporation

Question 7

1 Å to 100 Å

1 nm to 100 nm

10–9 m to 10–6 m

10–9 cm to 10–7 cm

Question 8

gallium, mercury

mercury, chlorine

mercury, bromine

bromine, sulphur

Question 9

air

brass

Iodised table salt

steel

Question 10

homogeneous compound

homogeneous mixture

heterogeneous mixture

heterogeneous compound

User

Question Analysis

My Perfomance

Score

-

Rank

-

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10^–9 m to 10^–6 m

10^–9 cm to 10^–7 cm