When a drop of unknown solution X is placed on a strip of pH paper, a deep red colour is produced.

When a drop of unknown solution X is placed on a strip of pH paper, a deep red colour is produced. This sample is which one of these?

(a)NaOH

(b) HCl

(c) Water

(d) CH₃COOH

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

The correct answer is

(b) HCl

5 views Answered 2023-02-05 15:29

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