Question

Compounds of calcium preparation with use​

Answer 1

Answer:

Calcium Carbonate(CaCO₃) is a precipitated calcium compound.

Preparation:

Ca(OH)₂+CO₂→CaCO₃+H₂O

Uses:

1. Used in making chalks.

2. Used in cement industries as marble(CaCO₃) and Limestone (CaCO₃)

Bleaching Powder(CaOCl₂)

Ca(OH)2+Cl2=>CaOCl2+H2O

Plaster of Paris(CaSO₄.¹/₂H₂O)

CaSO4.2H2O=(heat)=>CaSO4.1/2H2O

I hope it helps you ^_^

Answer 2

Answer:

1) Name - Bleaching powder or CaOCl2

Preparations - Reaction of slaked lime and chlorine.

2) Name - plaster of Paris or CaSO4.1/2 H2O

Preparation- decomposition of gypsum.

3) Name - Gypsum or CaSO4.2H2O

preparation - Addition of water to Plaster of Paris.