iGCSE - Chemistry paper 3 - Acids and Bases

Yatta
Quiz by Yatta, updated more than 1 year ago
Yatta
Created by Yatta over 6 years ago
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Question 1

Question
What is meant by Amphoteric?
Answer
  • A molecule or ion that can react as an acid and a base.
  • Able to breathe both in water and on land.
  • A substance with pH < 7

Question 2

Question
Acids react with metals to form salts
Answer
  • True
  • False

Question 3

Question
What kind of Indicator turns yellow in alkali?
Answer
  • Litmus
  • Phenolpthalein
  • Methyl orange

Question 4

Question
pH value for a strong acid?
Answer
  • 1-2
  • 12-14
  • 7

Question 5

Question
Which of these is NOT an example of a base
Answer
  • Metal oxides
  • Hydroxides
  • Nitrates
  • Ammonia

Question 6

Question
Bases neutralise acids, forming a ______ and ______
Answer
  • Salt, Water
  • Salt, Hydrogen
  • Salt, Oxygen

Question 7

Question
Reacting a base with an ammonium compound (an example of a base reaction) gives ammonia as a product as well as salt and water
Answer
  • True
  • False
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