Question

Calcium carbo
(e)
5. Give the names of the elements present in the following
compounds.
(a) Quick lime
(b) Hydrogen bromide
(c) Baking powder
(d) Potassium sulphate.
​

Answer 1

Answer:

Compound Chemical Formula

Elements present

a)Quick lime CaO Calcium, Oxygen

b)Hydrogen bromide HBr Hydrogen, Bromine

c)Baking powder NaHCO3 Sodium, Hydrogen, Carbon, Oxygen

d)Potassium sulphate K2SO4 Potassium, Sulphur, Oxygen

Answer 2

a). quick lime = calcium and oxygen (cao)

b). hydrogen bromide = hydrogen and bromine (HBr)

c). baking powder = (NaHCO3) , sodium, hydrogen, carbon and oxygen

d). potassium sulphate = (k2so4), potassium, sulphur and oxygen

e). calcium carbonate = (caco3), calcium, carbon and oxygen

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