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Chemistry CBSE Live product
Class 10
Acids, bases and salts
Salts
11.
Plaster of paris and gypsum
Question:
4
m.
Choose the correct answer:
1
.
This chemical compound on heating produces calcium sulphate hemihydrate.
Gypsum
Epsom salt
Phenol
Washing soda
2
.
This chemical compound in laboratories, is used to seal the air gaps in the apparatus.
Plaster of Paris
Benzenol
Carbolic acid
All of these
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