MEDIUM
10th CBSE
IMPORTANT
Earn 100

When a mixture of lime and silica is heated, calcium silicate is formed.

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Important Questions on Compounds of Common Use

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)
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 4
Name the process by which sodium hydroxide is made by the electrolysis of brine.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 5
Give the common name of Na2CO3·10H2O
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 6 - Compounds of Common Use>EXERCISES>Q 6
Mention the property of sodium carbonate that makes it useful for dry soap powder.