MEDIUM
10th CBSE
IMPORTANT
Earn 100
Which chemical is injected into the skin of a person:
(a) During an ant's sting?
(b) During the nettle leaf hair sting?
How can the effect of these stings be neutralised?
(b) During the nettle leaf hair sting?
How can the effect of these stings be neutralised?
Important Questions on Acids, Bases And Salts
HARD
10th CBSE
IMPORTANT
Explain the change as the cause of tooth decay. How can tooth decay caused by pH change be prevented?
MEDIUM
10th CBSE
IMPORTANT
Explain how pH change in the lake water can endanger the lives of aquatic animals (like fish).
What can be done to lessen the danger to the lives of aquatic animals in the lake?
EASY
10th CBSE
IMPORTANT
What happens during a bee sting? What is its remedy?
EASY
10th CBSE
IMPORTANT
What happens during a wasp sting? What is its remedy?
EASY
10th CBSE
IMPORTANT
Why is it wrong to treat a bee sting with vinegar?
EASY
10th CBSE
IMPORTANT
Why is it wrong to treat a wasp sting with baking soda solution?
EASY
10th CBSE
IMPORTANT
What does the of a solution signify? Three solutions and have values of and respectively. Which of the solutions is highly acidic?
EASY
10th CBSE
IMPORTANT
A farmer has found that the pH of the soil in his fields is 4.2. Name any two chemical materials which he can mix with the soil to adjust its .
