Question

Which elements (metals and non-metals),compounds and mixture do we use in our day to day life?

Answer 1

oxygen for breathing
nitrogen in plants
chlorine for purifying water
phosphorus in crackers
graphite in pencil
etc.

Answer 2

Metals used in day-to-day life are:

Gold and silver are used for making jewelry we wear

Aluminium and steel is used for utensils we use in kitchen

Mercury is used in thermometers to measure temperature

Non-metals used in day-to-day life are:

Oxygen we breath

Chlorine is used for purifying water

Potassium is used in fertilizers.

Carbon is used as a fuel