(a) What does the pH of a solution signify ? Three solutions A, B and C have pH values of 6, 4 and 10
respectively. Which of the solutions is highly acidic ?
(b) A farmer has found that the pH of soil in his fields is 4.2. Name any two chemical materials which he can mix with the soil to adjust its pH.
Lakhmir Singh Chemistry Class 10
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hey friend here is your answer he can mix substances like sodium hydroxide and potassium hydroxides to balance the PH thse are alkalis
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sorry I am mistaken that
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