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15
×
Which pH range represents alkaline solutions?
8 - 14
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15
×
Why is it critical for a fertiliser to be water soluble?
So it can be taken up by roots
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15
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Name the salt: Potassium hydroxide + Nitric acid -> ?
Potassium Nitrate
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15
×
What are the two products of a neutralisation reaction?
Salt and Water
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15
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Which of these is a common household acid?
Lemon Juice
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15
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Which of the following is one of the three main laboratory acids?
Nitric Acid
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15
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What color does Universal Indicator turn in a strong acid?
Red
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15
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Which equipment is used with filter paper to separate a solid from a liquid?
Filter Funnel
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trap
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fairy
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5
10
15
20
25
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fairy
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5
10
15
20
25
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baam
Lose 25 points!
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15
×
As the pH of an acid moves from 1 towards 6 its strength:
Decreases
Decreases
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baam
Lose 15 points!
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fairy
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5
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25
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fairy
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5
10
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25
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thief
Give points!
5
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15
×
Name the salt: Sodium hydroxide + Hydrochloric acid -> ?
Sodium Chloride
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15
×
Which piece of lab equipment is used to evaporate water and isolate a dry salt?
Evaporating Basin
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15
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Which piece of equipment gives a precise digital reading of pH?
pH Meter
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15
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What are the three essential elements for plant growth found in fertilisers?
Potassium, Nitrogen, Carbon
Phosphorus, Nitrogen, Potassium
Potassium, Oxygen, Sulfur
Phosphorus, Nitrogen, Potassium
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trap
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fairy
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5
10
15
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25
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gift
Win 15 points!
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baam
Lose 20 points!
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