EASY
8th CBSE
IMPORTANT
Earn 100

Name two major non-metals which are present in fertilizers and enhance the growth of plants.

Important Questions on Materials Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 16
Which non-metal is used to disinfect water?
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 17
A purple coloured non-metal forms a brown solution in alcohol which is applied on wounds as an antiseptic. Name the nonmetal.
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 18
Zinc sulphate forms a colourless solution in water. Will you observe any colour on adding copper turning in it?
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 19
Why are bells made of metals?
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 20
Which liquid metal is used for making thermometers?
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>VERY SHORT ANSWER QUESTIONS>Q 21

Which of the following metal can displace the other two metals from their salt solutions?

Zinc, Iron, Copper

EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>SHORT ANSWER QUESTIONS>Q 22
Paheli bought a statue made of copper. To her surprise it acquired a dull green coating after a couple of months. Explain the reason.
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 4 - Materials Metals and Non-Metals>SHORT ANSWER QUESTIONS>Q 23

In the given figure, you find that the bulb glows when an iron nail is placed between two ends of the wire.

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Complete the following sentence on the basis of this fact. 

From the given figure_____ is a metal.