1. Dilution and Reactions of Acids1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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2. 1
Give an everyday example of neutralisation.
answer
Reducing acidity in soil by adding lime, treatment of acid indigestion
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3. What is Neutralisation?2
What is Neutralisation?
answer
The reaction of an acid with a base to form water
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4. What happens to the pH of an acid as it is neutralised?3
What happens to the pH of an acid as it is neutralised?
answer
The pH INCREASES to 7
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5. Give some examples of bases (things that can neutralise acids)4
Give some examples of bases (things that can neutralise acids)
answer
alkali (metal hydroxide),
metal oxide,
metal carbonate
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6. Name the products of the reaction between a dilute acid and an alkali5
Name the products of the reaction between a dilute acid and an alkali
answer
Salt and water
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7. Complete the word equation6
Complete the word equation
answer
Acid + Alkali 
Salt + Water
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8. Calderglen High School7
Name the products in the reaction between a dilute acid and a metal carbonate.
answer
Salt, water
and carbon dioxide
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9. Complete the word equation8
Complete the word equation
answer
Salt + Water + Carbon
dioxide
Acid + Metal 
carbonate
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10. Calderglen High School9
Name the salt produced in the reaction: hydrochloric acid + copper carbonate
answer
Copper chloride
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11. Calderglen High School10
Name the products of the reaction between a dilute acid and a metal oxide
answer
Salt and water
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12. Complete the word equation11
Complete the word equation
answer
Acid + Metal 
oxide
Salt + Water
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13. Complete the word equation?12
Complete the word equation?
answer
Potassium nitrate
Nitric + Potassium  Water acid hydroxide
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14. potassium nitrate and water13
Name the products of the reaction between potassium hydroxide and dilute nitric acid
answer
potassium nitrate and water
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15. 14 What is a base? A substance which neutralises an acid answer
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16. Calderglen High School15
Identify the two bases. sodium chloride, sodium oxide, calcium nitrate, copper carbonate
answer
sodium oxide and
copper carbonate
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17. Calderglen High School16
What type of chemical reaction is taking place when copper oxide is added to dilute hydrochloric acid.
answer
neutralisation
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18. What is formed when a base dissolves in water?17
What is formed when a base dissolves in water?
answer
An alkali
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19. What happens to the pH of an acid when diluted with water?18
What happens to the pH of an acid when diluted with water?
answer
It increases towards 7
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20. What happens to the pH of an ALKALI when diluted with water ?19
What happens to the pH of an ALKALI when diluted with water ?
answer
It decreases towards 7
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21. What happens to the acidity of an acid when diluted with water ?20
What happens to the acidity of an acid when diluted with water ?
answer
The acidity decreases
(less acidic)
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22. What happens to the alkalinity of an alkali when diluted with water?21
What happens to the alkalinity of an alkali when diluted with water?
answer
It decreases -becomes less alkaline
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