Acids and bases: Analyse based questions — task. Science State Board, Class 9.

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1.

Which of the following is not a physical test for salt?

Colour
Odour
Flame
Smell

2.

Find the odd one out based on replaceable hydroxyl ions.

\(KOH\)
\(Na_2O\)
\(CaO\)
\(Al(OH)_3\)

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