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Acids, bases and salt
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04/09/2021 8:48 pm
Topic starter
(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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04/09/2021 8:48 pm
(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.