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Class 9
Chemistry :-NCERT Solution - Atoms And Molecules

Page No 44:
Question 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:

Compound

Chemical formula

Elements present

Quick lime

CaO

Calcium, Oxygen

Hydrogen bromide

HBr

Hydrogen, Bromine

Baking powder

NaHCO3

Sodium, Hydrogen, Carbon, Oxygen

Potassium sulphate

K2SO4

Potassium, Sulphur, Oxygen


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