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The chemical formula of plaster of Paris is ______.
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What will happen if heating is not controlled while preparing plaster of Paris?
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State a peculiar (or remarkable) property of plaster of Paris.
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Name the compound which is used in hospitals for setting fractured bones.
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Name the raw material used for the preparation of plaster of Paris.
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Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
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What is plaster of Paris?
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How is plaster of Paris prepared? Write a chemical equation of the reaction involved.
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State two important uses of plaster of Paris.
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Plaster of Paris is prepared by heating one of the following to a temperature of 100°C. This is:
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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.
- Write the chemical equation for its preparation.
- For what purpose is it used in hospitals?
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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
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A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
For what purpose is it used in hospitals?
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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.
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How many molecules of water of crystallisation (per formula unit) are present in:
Gypsum
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Name the element whose one of the allotropic forms is buckminsterfullerene.
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State whether the following statement is true or false:
Diamond and graphite are the covalent compounds of carbon element (C).
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Buckminsterfullerene is a spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
- How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene?
- How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
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Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
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