Advertisements
Advertisements
Question
State two important use of plaster of Paris.
Solution
Uses:
(i) Plaster of Paris is used in making decorative materials, toys, cosmetics, cheap ornaments, black-board chalks and casts for fractured bone and statues.
(ii) It is used in making surfaces such as walls of houses smooth before they are painted and for creating ornamental designs on the ceilings of houses and other buildings.
APPEARS IN
RELATED QUESTIONS
Write an equation to show the reaction between Plaster of Paris and water.
Plaster of Paris should be stored in a moisture-proof container. Explain why?
Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
Write the chemical equation for its preparation
A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.
Explain the uses of plaster of paris.
______ is an important material in the construction industry.
Match the Following:
1. | Antiseptic | a. | Plaster of paris |
2. | Making casts for statues | b. | Phenol |
3. | Ease stress and relaxes | c. | Gypsum |
4. | Fertilizers | d. | Epsum |
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
A compound which is prepared from gypsum has the property of hardening when mixed with water. identify the compound and write its formula. How is this compound prepared? Describe it in the form of a chemical equation only.