Q16 of 38 Page 3

Give differences between an atom and an ion.

Difference between ion and atom:

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14

The formula of carbonate of a metal M is M2CO3. What is the formula for phosphate of M?

 15

In the chemical reaction given below, find the amount of barium sulphate formed. Also, write the law involved


 17

Calculate the number of aluminium ions present in 0.051 g of aluminium oxide. (Given: At. Mass of AL = 27 u)

 18

Calculate the number of molecules of sulphur (S8) present in 16g of solid sulphur (Atomic mass of S = 32)