Question

Write the chemical formula of the following and also write the elements present in it
a) washing soda
b) baking soda
c) caustic soda
d) alum
e) glucose

Answer 1

Chemical formula :
1) Washing soda = Na₂CO₃.10H₂O
Elements : Sodium , carbon , oxygen , hydrogen

2) Baking soda = NaHCO₃
Elements : Sodium , hydrogen , carbon and oxygen

3) Caustic soda = NaOH
Elements : Sodium , oxygen and hydrogen

4) Alum = K₂SO₄.Al₂(SO₄)₃.24H₂O
Elements : Potassium , Sulphur , oxygen , aluminium and hydrogen

5) Glucose = C₆H₁₂O₆
Elements : Carbon , hydrogen and oxygen