Four chemical samples A, B, C, and D are tested using turmeric and phenolphthalein indicators, and the following observations are recorded: A - turns reddish-brown on adding turmeric B - turns pink on adding phenolphthalein C - remains yellow on adding turmeric D - remains colourless on adding phenolphthalein What can be concluded about the nature of these samples?

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Chemistry · Acids, Bases and Salts

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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A and B are basic; C and D could be acidic or neutral.

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Answer 1

A and B are acidic; C and D are basic.

Answer 2

A and C are acidic; B and D are basic.

Answer 3

A and D are acidic; B and C are basic.

Answer 4

A and B are basic; C and D could be acidic or neutral.

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