Team 1
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Team 2
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Teams
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Score
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15
×
What colour does universal indicator show at pH?
Green(pH7)
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25
×
What does neutral mean?
Neutral means neither acidic nor alkaline.
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seesaw
Swap points!
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rocket
Go to first place!
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gift
Win 10 points!
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lifesaver
Give 20 points!
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25
×
What safety equipment should be worn?
Safety glasses( goggle)
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15
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What colour shows a weak acid?
Yellow or orange
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trap
No points!
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shark
Other team loses 25 points!
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fairy
Take points!
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25
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banana
Go to last place!
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25
×
What sort of reaction happens when an acid and an alkali are mixed?
A neutralisation reaction happens
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monster
Reset all scores!
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seesaw
Swap points!
Okay!
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gift
Win 20 points!
Okay!
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thief
Give points!
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25
15
×
What does universal indicator do?
It shows the pH of a solution by changing colour
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15
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Is water acidic , alkaline or neutral
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25
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Zinc+ sulfuric acid ------------> _______________ + hydrogen gas
Zinc sulfate
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20
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Give one example of neutralisation in daily life?
Antacids neutralise stomach acid
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20
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Hydrochloric acid + sodium hydroxide--------> ________________+ water
Sodium chloride
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25
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Why is toothpaste alkaline?lb 268 q1
Toothpaste is alkaline so that it can neutralise the acid in your mouth and help to stop your teeth decaying
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20
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Metal + acid -------------> salt + ---------------?
Hydrogen gas
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15
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What is formed in a neutralisation reaction?
Salt and water
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