Substance Q reacts with cold water to form a solution which turns red litmus blue. Substance Q could be

Assessment: WAEC SSCE - Chemistry - 2003 (Objective) Subject: Chemistry

Question 1 Report

Substance Q reacts with cold water to form a solution which turns red litmus blue. Substance Q could be
Answer Details
Substance Q reacts with cold water to form a solution which turns red litmus blue. This indicates that the substance is basic or alkaline in nature. Out of the given options, sodium is the only substance that is basic in nature and reacts with cold water to form a solution which turns red litmus blue. Therefore, substance Q could be sodium.
Read lesson note on Metals And Their Compounds (JAMB)
Read lesson note on Acids, Bases And Salts (Ghana Only) (WAEC)
Read lesson note on Non-metals And Their Compounds (JAMB)
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