Preparing soluble salts by acid reactions

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Salts from acid with alkali or metal

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Bushra Meraj

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Preparing soluble salts by acid reactions


Froggy Jumps Preparing soluble salts by acid reactionsVersion en ligne Salts from acid with alkali or metal par Bushra Meraj 1 What salt is formed when HCl reacts with NaOH in a titration? a Na2SO4 b NaCl c NaClO 2 What is the role of an indicator in the titration when producing a soluble salt? a To dissolve the solid salt b To speed up the reaction c To identify the end point of neutralisation 3 Which observation marks the end point in a strong acid–alkali titration for salt preparation? a Fizzing/bubbling stops b Formation of a precipitate c Color change of the indicator 4 How is the salt finally isolated after titration with an alkali? a Filter the solution only b Evaporate the solution to crystallisation c Wash the solution with water 5 If an excess of metal reacts with an acid to form a salt, how is the salt obtained? a Use distillation to isolate salt b Directly pour away the metal c Filter and crystallise from the soluble salt solution 6 Which of the following reactions represents salt formation with an excess metal? a Acid + metal → salt + hydrogen b Metal oxide + acid → salt + water c Salt + water → acid 7 Which metal is typically used to prepare a soluble salt by reaction with hydrochloric acid in a lab example? a Copper b Zinc c Gold 8 In preparing soluble salts, why is excess metal sometimes used? a To avoid needing filtration b To ensure complete reaction with the acid c To speed up crystallisation 9 What purification step follows salt crystallisation from solution? a Boil off solvent completely b Dry and store the salt c Add more acid 10 When preparing salts by titration, what is a key safety practice? a Igniting the solution b Careful measurement to avoid spills and splashes c Mixing with strong oxidisers

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Preparing soluble salts by acid reactions

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Preparing soluble salts by acid reactionsVersion en ligne

par Bushra Meraj

What salt is formed when HCl reacts with NaOH in a titration?

What is the role of an indicator in the titration when producing a soluble salt?

Which observation marks the end point in a strong acid–alkali titration for salt preparation?

How is the salt finally isolated after titration with an alkali?

If an excess of metal reacts with an acid to form a salt, how is the salt obtained?

Which of the following reactions represents salt formation with an excess metal?

Which metal is typically used to prepare a soluble salt by reaction with hydrochloric acid in a lab example?

In preparing soluble salts, why is excess metal sometimes used?

What purification step follows salt crystallisation from solution?

When preparing salts by titration, what is a key safety practice?