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15
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What is neutralisation?
A reaction between an acid and a base.
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20
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How does an antacid help someone with heartburn?
It neutralises excess stomach acid and reduces acidity.
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15
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What colour is universal indicator at pH 7?
Green
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What are reactants?
The starting substances in a reaction.
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Why is understanding neutralisation important for antacid users?
It explains how antacids reduce stomach acidity and relieve discomfort.
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What are products?
The new substances formed in a reaction.
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Why do people take antacids?
To relieve heartburn/indigestion
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15
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Which acid did we use in our neutralisation experiment?
Hydrochloric acid.
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baam
Lose 25 points!
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seesaw
Swap points!
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rocket
Go to first place!
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thief
Give points!
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15
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What evidence showed a reaction occurred?
Fizzing/bubbling.
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seesaw
Swap points!
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star
Double points!
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gift
Win 25 points!
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baam
Lose 5 points!
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What does conservation of mass mean?
Mass stays the same during a reaction.
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boom
Lose 50 points!
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seesaw
Swap points!
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shark
Other team loses 25 points!
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thief
Give points!
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15
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Which base did we react with the acid?
Sodium carbonate.
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Name the products of: Hydrochloric acid + Sodium carbonate -->
Sodium chloride, water and carbon dioxide.
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20
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What does a colour change tell us when using an indicator?
A chemical change/reaction may be occurring.
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