WorksheetsNeutralisation reaction
Total questions: 20
Worksheet time: 10mins
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide -->
Magnesium chloride + water
Magnesium + water
Magnesium chloride + hydrogen
Magnesium chloride + water + carbon dioxide
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
Toothpaste contain .................. that neutralize acid formed by bacteria.
alkali
acid
antacid
slaked lime
Excess acids in stomach can be neutralized using ............
antacid
vinegar
slaked lime
hydrochloric acid
What colour is Universal indicator when the solution is neutral?
Red
Green
Blue
Purple
Lithium hydroxide + nitric acid ->
Lithium nitrate + hydrogen
Lithium nitride + salt
Lithium nitrate + water
Lithium nitrate + hydroxide
What is neutralisation?
This is a reaction between an acid and water to form salt and base.
This is a reaction between an acid and base to form salt and water.
This is a reaction between a base and salt to form water and acid.
This is a reaction between salt and water to form acid and base
When the soil is too acidic , it is treated with :
quick lime
by adding organic matter
Hydrochloric acid
Nitric acid
The wastes of many factories contain acids
true
false
Antacids contain .................. to neutralise stomach acid
sodium hydroxide
magnesium hydroxide
lithium hydroxide
potassium hydroxide
Acidic waste gases are neutralised by sprays of calcium hydroxide before they are released into the atmosphere. This reduces the possibility of creating harmful
respiratory diseases
bacterial growth
acid rain
skin infections
Acids can be used to clean metals. This works because rust is a/an
base
alkaline
neutral
salty
It is much easier and safer to neutralise acid spills by
adding a base
diluting with water
covering with sand
waiting for the acid to evaporate
A few drops of universal indicator caused a solution to turn red. Which of the substance below can we use to neutralise it?
sugar solution
salt solution
alkali solution
acidic solution
How can we tell if enough alkali has been added to neutralise an acidic solution?
a pungent smell is given off as the alkali is added to the solution
there's a change in colour from red to green
there's a change in colour from blue to green
there are bubbles forming on the surface of the mixture
Which of the following is the correct definition for the neutralisation equation?
Water dissociates to produce hydroxide ions and hydrogen ions
Hydroxide ions in the acid react with hydrogen ions in the alkali to produce water
Hydrogen ions in the acid react with hydroxide ions in the alkali to produce hydrogen and oxygen
Hydrogen ions in the acid react with hydroxide ions in the alkali to produce water
Which of the following solutions is suitable to be used to indicate neutralisation between acid and alkali?
Iodine solution
Sodium hydroxide solution
Colour paper
Universal indicator
