MEDIUM
10th ICSE
IMPORTANT
Earn 100

What is rust?

Important Questions on Metals and Non-metals

EASY
10th ICSE
IMPORTANT
Why are gold and platinum used for making jewellery?
EASY
10th ICSE
IMPORTANT
Name the metal which is a poor conductor of heat.
EASY
10th ICSE
IMPORTANT
Why are school bells made of metal?
MEDIUM
10th ICSE
IMPORTANT
Name two metals having very low melting points.
MEDIUM
10th ICSE
IMPORTANT
Name two metals that occur as solid at room temperature but melt, if we keep them in our palm.
MEDIUM
10th ICSE
IMPORTANT
An element X forms oxides which turn red litmus blue. Identify whether X is a metal or a nonmetal.
EASY
10th ICSE
IMPORTANT
Name the metal which burns in the air with a dazzling white flame.
MEDIUM
10th ICSE
IMPORTANT
A metal X when heated in the air forms a black oxide. Name X.