MEDIUM
8th CBSE
IMPORTANT
Earn 100

Metals have a high tensile strength. Explain. Also, give one example of how this property of metals is used.

Important Questions on Metals and Non-metals

MEDIUM
8th CBSE
IMPORTANT
Why can’t you draw wires from a piece of wood or coal?
MEDIUM
8th CBSE
IMPORTANT
Why can’t you use nylon or jute ropes for electrical transmission?
MEDIUM
8th CBSE
IMPORTANT
Why can’t you use a cooking utensil made of cardboard?
EASY
8th CBSE
IMPORTANT
Name five non-metals which are gaseous at ordinary temperatures.
MEDIUM
8th CBSE
IMPORTANT
Name two metals which react vigorously even with cold water. Name one metal which, if ignited, continues to burn in steam.
MEDIUM
8th CBSE
IMPORTANT
Mention three uses of oxygen.
EASY
8th CBSE
IMPORTANT
Mention three uses of nitrogen.