Question

write the name
wtich doctors use isplaster for supporting
s formule of the substance
factured bones as the right positions
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Answer 1

Answer:

11th

Chemistry

Some Basic Concepts of Chemistry

Stoichiometry and Stoichiometric Calculations

A white coloured powder is ...

CHEMISTRY

A white coloured powder is used by doctors for supporting fractured bones.

(a) Write chemical name and formula of the powder.

(b) When this white powder is mixed with water a hard-solid mass is obtained. Write balanced chemical equation for the change.

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ANSWER

(a) The chemical name and formula of the white coloured powder which is used by doctors for supporting fractured bones is:

Chemical name - Calcium sulphate hemihydrage

Formula - CaSO

4

.

2

1

H

2

O

(b) When this white powder is mixed with water a hard-solid mass is obtained. The balanced chemical equation for the change is

CaSO

4

.

2

1

H

2

O+1

2

1

H

2

O→CaSO

4

.2H

2

O

Explanation:

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