Four students A, B, C and D were studying the effect of the solutions of hydrochloric acid, sodium hydroxide, sodium chloride and pure water respectively on blue litmus solution. Which of the students observed the colour change of blue litmus solution to red?
(1) A
(2) B
(3) C
(4) D
Answers
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2
Explanation:
A) acid turns blue litmus paper red
Answered by
0
Answer:A ,B and C
Explanation:because all are inorganic and strong acid .so blue litmus turn red
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