MEDIUM
10th Manipur Board
IMPORTANT
Earn 100

Why does bleaching powder act as a bleaching agent? 

Important Questions on Materials of Common Use

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>Let us answer these>Q 1

Why are beating, scrubbing or agitation required while washing clothes? 

MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>Let us answer these>Q 2
Device a simple method for detection of hard or soft water.
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>Let us answer these>Q 3
Can detergent be used to detect hard water? 
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>EXERCISES>Q 1
How is pure sodium chloride obtained from the impure salt? 
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>EXERCISES>Q 2
What is the product obtained by reacting NaOH with HCI?
EASY
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>EXERCISES>Q 3
How is freezing mixture made? 
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>EXERCISES>Q 4
Give important uses of sodium chloride. 
MEDIUM
10th Manipur Board
IMPORTANT
Science for Class 10>Chapter 7 - Materials of Common Use>EXERCISES>Q 5
Name the products obtained when aqueous sodium chlorine is electrolysed.