HARD
7th CBSE
IMPORTANT
Earn 100

What should be done to get relief from a bee sting and why?

Important Questions on Acids, Bases and Salts

HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q E
How does slaked lime help in the treatment of acidic soil?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Differentiate between: Acids and bases.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Differentiate between: Bases and alkalis.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Explain the process of neutralisation along with an example.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Is baking powder acidic, basic or neutral? Justify your answer.
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Shaurya is provided with three kinds of liquid. One is sodium hydroxide; another is hydrochloric acid and third is a sugar solution. How will he identify them when he has only blue litmus?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
What will happen if the acidic industrial waste waters are dumped into rivers without treating them?
HARD
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 6 - Acids, Bases and Salts>ASSESSMENT ZONE>Q F
Take water in a test tube and add a few drops of blue litmus to it. With the help of a straw, blow air into the solution. It turns red. Explain the reason of colour change.