What is mass ?
State the law of conversation of mass.
If an object weighs 6 kg on earth. What will be its weight on moon ?
If an object is taken to the moon from the earth what will be its mass ?
Give reason for the following.
Electricity is not considered matter.
When magnesium is burnt in air, there is an increase in mass after the reaction.
Fill in the blank:
Matter is anything that has............. and occupies .............
What do you observe when, barium chloride solution is mixed with sodium sulphate solution ?