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Multiple choice

Which of the following compounds is alkaline in an aqueous medium?

  1. Na2CO3

  2. NaCl

  3. H2CO3

  4. CuSO4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Na2CO3 (sodium carbonate) is a salt of a strong base (NaOH) and a weak acid (H2CO3), making its aqueous solution alkaline due to hydrolysis.

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