Plaster of Paris Has a Remarkable Property of Setting into a Hard Mass on Addition of Water. - Science

Plaster of Paris has a remarkable property of setting into a hard mass on addition of water.

Plaster of Paris has a remarkable property of setting into a hard mass on addition of water.

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Chapter 2: Acids, Bases and Salts - Exercise 3 [Page 98]

Chapter 2 Acids, Bases and Salts
Exercise 3 | Q 44.5 | Page 98

Plaster of Paris should be stored in a moisture-proof container. Explain why?

Name a calcium compound which hardens on wetting with water.

Name the compound which is used in hospitals for setting fractured bones.

Consider the following substances:
NaCl, Ca(OH)₂, NaHCO₃, NH₃, Na₂CO₃, H₂O, Cl₂, CO₂, CaSO₄.2H₂O, 2CaSO₄.H₂O, CaOCl₂

Which compound represents plaster of Paris?

A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.

Identify the compound X

How many molecules of water of crystallisation (per formula unit) are present in:

gypsum?

How are detergents manufactured?

______ is an important material in the construction industry.

______ is used in making blackboard chalks.

Calcium sulphate hemihydrate is called as ______.