HARD
8th CBSE
IMPORTANT
Earn 100

An element is a metal or not is finally determined by whether it is hard and shiny or not. Do you agree? Give reasons.

Important Questions on Metals and Non-Metals

MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 3
Which property must a substance possess for it to be possible to make thin wires of the material?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 4
A metal was burnt in the air. The substance formed was dissolved in water and tested with blue and red litmus paper. What result do you expect?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 5
Metal M1 is more reactive than metal M2. Which metal will be higher up in the reactivity series?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 6
Metal M3 reacted with a salt of metal M4. The products were M4 and a salt of M3. However, a metal M4 had no reaction with a salt of M3. What can you say about the reactivities of M3 and M4?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 1
Which metalloid can be said to be the backbone of the electronics industry?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 2
Steel is not a pure form of iron? What does it consist of? What is the advantage of adding another substance to iron?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 3
Noble metals are used to make jewellery because they are very reactive. Do you agree? Give reasons.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>ORAL QUESTIONS>Q 4
Painting a metal prevents it from corroding? Why?