Which of the following salts will turn blue litmus red?

Assessment: JAMB UTME - Chemistry - 2014 Subject: Chemistry

Question 1 Report

Which of the following salts will turn blue litmus red?
Answer Details
Blue litmus paper is used to test whether a substance is acidic or not. If a substance is acidic, it will turn blue litmus paper red. Out of the given options, only one substance is acidic in nature, which is potassium hydrogentetraoxosulphate (lV). Sodium tetrahydroxozincate (ll), Sodium trioxocarbonate (lV), and Zinc chloride hydroxide are either neutral or basic in nature and will not turn blue litmus paper red. Therefore, the answer is potassium hydrogentetraoxosulphate (lV).
Read lesson note on Acids, Bases And Salts (Ghana Only) (WAEC)
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