MEDIUM
10th CBSE
IMPORTANT
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Bleaching powder is widely used to disinfect water.

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Important Questions on Compounds of Common Use

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 4
When calcium carbonate is heated, it gives calcium bicarbonate.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 5
Gypsum on being heated forms Plaster of Paris.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 6
When a mixture of lime and silica is heated, calcium silicate is formed.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 7
ln India, common salt is mainly obtained from mines.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 8
The intake of sodium chloride in our food is injurious to health.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 1
What is the chemical name of common salt? (Sodium hydroxide / Sodium chloride / Sodium bicarbonate)
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 2
Name one important source of common salt in nature. (River water/ Seawater)
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 3
A white crystalline substance is used in the manufacture of soap during the 'salting out' process. What is the substance? (Sodium hydroxide/ Sodium chloride)