MEDIUM
8th CBSE
IMPORTANT
Earn 100

Classify the following elements into metals, non-metals and metalloids:
Copper, Sulphur, aluminium, oxygen, silicon, nitrogen, germanium, mercury, chlorine, sodium.

Important Questions on Materials: Metals and Non-Metals

HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Long Answer Type Questions>Q 68
What happens when sulphur dioxide is dissolved in water? Write a word equation for the reaction which takes place.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Long Answer Type Questions>Q 68
What happens when an iron nail is placed in copper sulphate solution? Write word equation of the reaction involved.
HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Long Answer Type Questions>Q 69
State five characteristics of metals and five characteristics of non-metals.
HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Long Answer Type Questions>Q 69
State five uses of metals and five uses of non-metals.
HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Long Answer Type Questions>Q 70
Compare the chemical properties of metals and non-metals in tabular form.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 71
An element is soft and can be cut easily with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. This element is most likely to be
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 72
Which one of the following four metals would be displaced from the solution of its salt by the other three metals? 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 73
Sulphur element is said to be: