Acids, Bases and Salts

lmg719
Quiz by , created about 6 years ago

Chemistry (Acids, Bases and Salts) Quiz on Acids, Bases and Salts, created by lmg719 on 04/30/2013.

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lmg719
Created by lmg719 about 6 years ago
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Question 1

Question
What is an Alkalai
Answer
  • A base that dissolves in water
  • A base that is not soluble
  • An acid that corrodes the skin
  • A base that will react explosively with an acid

Question 2

Question
Which of the following is true?
Answer
  • If a substance has a pH of 0+ then it is Acidic
  • If a Substance Has a pH of 0- then it is Acidic
  • If a Substance has a pH of below 3 then it is Acidic
  • 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
  • Blue
  • Yellow
  • Green
  • red

Question 4

Question
When acids dissolve in water, what do they produce?
Answer
  • aqueous hydrogen ions, H+(aq)
  • aqueous hydroxide ions, OH–(aq)
  • aqueous Chlorine ions, Cl+(ag)
  • aqueous Sulfate ions, S-(aq)

Question 5

Question
What do Alkalies produce when dissolved in water?
Answer
  • aqueous Hydroxide ions, OH-,(aq)
  • aqueous Hydrogen ions, H+,(aq)
  • aqueous Chlorine ions, Cl-, (aq)
  • aqueous Sulfur ions, S+, (aq)

Question 6

Question
Which is the correct equation for the Neutralisation reaction
Answer
  • H+(aq) + OH–(aq) → H2O(l)
  • H+(aq) + H2O(l) → OH-(aq)
  • H+(aq) + OH-(aq) = Cl-(l)
  • H+(ag) + Cl-(aq) = H2O(I)

Question 7

Question
When a Acid and base react, what is the result product?
Answer
  • Chlorine + Water
  • Salt + Chlorine
  • Salt + Water
  • Chlorine + Salt

Question 8

Question
What are most artificial fertilizers made from?
Answer
  • Ammonium
  • Chlorine
  • Salt
  • Sulfur

Question 9

Question
When Crystalising the salts, how should you make the crystals bigger?
Answer
  • Evaporationg the water at a lower temperature
  • Evaporating the water at a hotter temperature
  • Evaporationg the water more quickly
  • Evaporation the water slowly

Question 10

Question
What can Precipitation reactions be used for?
Answer
  • Dissolving a insoluble salt in water
  • Removing the salts from water
  • Removing unwanted Ions from a solution