MEDIUM
8th CBSE
IMPORTANT
Earn 100

Consider the following materials:
Copper, Sulphur, Phosphorus, Carbon (such as pencil lead), Gold, Silver.
Which of these materials are malleable and ductile?

Important Questions on Materials: Metals and Non-Metals

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 44
Consider the following materials:
Copper, Sulphur, Phosphorus, Carbon (such as pencil lead), Gold, Silver.
Which of these materials is brittle?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 45
Can you hold a hot metallic pan which is without a plastic or a wooden handle? Give reason for your answer.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 46
The screwdriver used by an electrician has a plastic or wooden handle. Why?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 47
What is nature (acidic/basic) of the magnesium oxide?
Give the reason for your choice.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 47
What is the nature (acidic/basic) of sulphur dioxide
Given reason for your choice.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 48
What type of oxides are formed when metals combine with oxygen?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 48
What type of oxides are formed when non-metals combine with oxygen?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Short Answer Type Questions>Q 49
Element A is soft, brittle and does not conduct electricity. Element B is hard, malleable and ductile, and also conducts electricity. Which of the two elements, A or B, is a non-metal?