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Question 1
Question
What is an Alkalai
Answer
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A base that dissolves in water
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A base that is not soluble
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An acid that corrodes the skin
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A base that will react explosively with an acid
Question 2
Question
Which of the following is true?
Answer
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If a substance has a pH of 0+ then it is Acidic
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If a Substance Has a pH of 0- then it is Acidic
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If a Substance has a pH of below 3 then it is Acidic
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If a Substance has a pH of below 7 then it is Acidic
Question 3
Question
What colour will a neutral solution turn Universal indicator paper
Answer
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Blue
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Yellow
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Green
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red
Question 4
Question
When acids dissolve in water, what do they produce?
Answer
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aqueous hydrogen ions, H+(aq)
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aqueous hydroxide ions, OH–(aq)
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aqueous Chlorine ions, Cl+(ag)
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aqueous Sulfate ions, S-(aq)
Question 5
Question
What do Alkalies produce when dissolved in water?
Answer
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aqueous Hydroxide ions, OH-,(aq)
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aqueous Hydrogen ions, H+,(aq)
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aqueous Chlorine ions, Cl-, (aq)
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aqueous Sulfur ions, S+, (aq)
Question 6
Question
Which is the correct equation for the Neutralisation reaction
Answer
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H+(aq) + OH–(aq) → H2O(l)
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H+(aq) + H2O(l) → OH-(aq)
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H+(aq) + OH-(aq) = Cl-(l)
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H+(ag) + Cl-(aq) = H2O(I)
Question 7
Question
When a Acid and base react, what is the result product?
Answer
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Chlorine + Water
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Salt + Chlorine
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Salt + Water
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Chlorine + Salt
Question 8
Question
What are most artificial fertilizers made from?
Answer
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Ammonium
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Chlorine
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Salt
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Sulfur
Question 9
Question
When Crystalising the salts, how should you make the crystals bigger?
Answer
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Evaporationg the water at a lower temperature
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Evaporating the water at a hotter temperature
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Evaporationg the water more quickly
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Evaporation the water slowly
Question 10
Question
What can Precipitation reactions be used for?
Answer
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Dissolving a insoluble salt in water
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Removing the salts from water
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Removing unwanted Ions from a solution
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