How would you prove that a given colourless liquid is an acid
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Phenolphthalein is an indicator which is colourless when an acid is dissolved.
For an acid test-
Taste-It is sour in test.
Turns blue indicator red
It furnishes H+ ions when dissolved in water.
The PH of an acid is always less than
7.
It texts with metals or its oxide to form the respective metal salt and other components
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Pure water is obtained by fractional distillation. It has only water molecules. By this we conclude purity of water.
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