HARD
10th CBSE
IMPORTANT
Earn 100

Write the electron dot structural formula of CaCl2.

Important Questions on Metals and Non-metals

MEDIUM
10th CBSE
IMPORTANT
Can all minerals of a metal be regarded its ores?
MEDIUM
10th CBSE
IMPORTANT
Name the process used for the extraction of metals placed towards the top of the activity series.
MEDIUM
10th CBSE
IMPORTANT
What type of metals are extracted by using carbon reduction technique?
MEDIUM
10th CBSE
IMPORTANT
Name the process used for the concentration of a sulphide ore.
MEDIUM
10th CBSE
IMPORTANT
Give an example of calcination.
MEDIUM
10th CBSE
IMPORTANT
Why is a flux usually used in carbon reduction process?
MEDIUM
10th CBSE
IMPORTANT
What is the chemical composition of rust?
EASY
10th CBSE
IMPORTANT
What is the composition of brass?