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Worksheets12 Acids and Alkalis 2
Total questions: 20
Worksheet time: 13mins
Strong acid ionises (a) in water to form hydrogen ions.
Weak acid ionises (a) in water to form hydrogen ions.
For acids of the same concentration, a strong acid will have a ______________ concentration of hydrogen ions compared to a weak acid.
the same
higher
lower
For acids of the same strength, a concentrated acid will have ______________ concentration of hydrogen ions compared to dilute acid.
the same
higher
lower
Strong acids always have a lower pH than weak acids
True
False
Complete the word equation below:
Acid + alkali --> ............... + water
water
salt
gold
metal
.............................. + sodium hydroxide --> sodium chloride + water
Nitric acid
Sulphuric acid
Hydrochloric acid
Ethanoic acid
What colour is Universal indicator when the solution is neutral?
Red
Green
Blue
Purple
What type of reaction occurs when you react an acid with an alkali?
combustion
decomposition
no reaction
neutralisation
Sulphuric acid + potassium hydroxide --> ........................ + water
potassium sulphate
potassium sulphurate
potassium nitrate
magnesium hydroxide
Lithium hydroxide + nitric acid ->
Lithium nitrate + hydrogen
Lithium nitride + salt
Lithium nitrate + water
Lithium nitrate + hydroxide
ph range of acids are .....
0-6
7
8-14
4-10
ph range of alkalis are .....
0-6
7
8-14
4-10
Magnesium hydroxide + hydrochloric acid -> water + ..............
magnesium chloride
magnesium oxide
magnesium oxygen
magnesium chlorine
sulphuric acid + lithium hydroxide -> water + .............
sulphuric lithiate
lithium sulphuric
lithium sulphate
sulphur lithate
nitric acid + iron hydroxide -> iron nitrate + ..........
hydrogen
hydroxide
oxygen
water
What colour change would you see if you added nitric acid to sodium hydroxide and universal indicator?
red -> blue
purple -> green
red -> yellow
pink -> colourless
Reactant
The mixtures which take part in a chemical reaction.
The new substances which are formed in a chemical reaction.
The substances which take part in a chemical reaction.
A compound formed during the neutralisation of an an acid.
Product
The new substances which are formed in a chemical reaction.
The substances which take part in a chemical reaction.
A compound formed during the neutralisation of an acid
A chemical reaction in which an acid and a base react to form water and a salt.
ACID + ALKALI => SALT + WATER
REACTANTS ARE ACID AND SALT.
PRODUCTS ARE WATER
REACTANTS ARE ACID AND ALKALI
PRODUCTS ARE SALT AND WATER
PRODUCTS ARE ACID AND ALKALI
REACTANTS ARE SALT AND WATER
REACTANTS ARE WATER AND ALKALI.
PRODUCTS ARE ACID AND SALT
