(a) What is produced if an acid is added to a base ? (b) Why does dry HCl gas
(a) What is produced if an acid is added to a base ?
(b) Why does dry HCl gas not change the colour of dry litmus paper ?
(c) What colour does phenolphthalein indicator turn when added to an alkali (such as sodium hydroxide) ?
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(a) Salt and water.
(b) Because dry HCl gas has no hydrogen ions (H ions) in it which can impart acidic properties to it.
(c) Pink.
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