Question

(a) Bee-sting leaves a chemical subtance that causes pain and irritation. Name the chemical substance. Identify the type of subtance which may give relief on the sting area when applied on it
(b) Mention the pH value below which tooth decay begins. How this fall below this value ? Explain the ill effect of the acidic medium in the mouth. How can this be prevented ?
(c) What are strong acids and weak acids ? Give an example of each.


CBSE Class X Science LA (5 Marks)

Answer 1

Answer:

Here is your answer

Hope it will help you

Mark brainlist plz

Answer 2

Answer:

This is the answer.It is clearly mentioned in the photo