Question

give the name of the element present in the following compound​

Answer 1

1-Quick lime(Cao)=Calcium and Oxygen

2-Hydrogen Bromide(HBr)=Hydrogen and Bromine

3-Baking Powder(NaHCO3)=Sodium, Hydrogen,Carbon,Oxygen

4-Potassium Sulphate(K2SO4)=Potassium,Sulphur,Oxygen

Answer 2

Answer:

a) calcium

b) hydrogen and bromine

c) carbon

d) potassium