Question

You Rajat ,receive a phone call from your father's office in his absence and have the
following conversation with the speaker. Write a message for your father as you have to go
for your tutions .Put the message in a box.​

Answer 1

Explanation:

Explain the pH values at stages 1 2 3 and 4

1)10 cm cube alkali +

indicator no acid added

2) 10 centimetre Cube + indicator + 9 cm cube acid

3) 10 centimetre cube alkali + indicator + 10 centimetre cube acid added

2)10 centimetre cude alkali + indicator + 11cm cude acid added