Acids and Bases

Descrição

Quiz on Acids and Bases, based on Junior Cert science syllabus
Sarah Egan
Quiz por Sarah Egan, atualizado more than 1 year ago
Sarah Egan
Criado por Sarah Egan mais de 8 anos atrás
4683
104

Resumo de Recurso

Questão 1

Questão
Acids are corrosive
Responda
  • True
  • False

Questão 2

Questão
Bases are corrosive
Responda
  • True
  • False

Questão 3

Questão
A litmus test can determine the pH level of a substance
Responda
  • True
  • False

Questão 4

Questão
The following are examples of bases: vinegar, lemon juice, tea
Responda
  • True
  • False

Questão 5

Questão
The pH level of pure water is 7
Responda
  • True
  • False

Questão 6

Questão
Toothpaste is not an acid
Responda
  • True
  • False

Questão 7

Questão
The pH level of lime water is 16
Responda
  • True
  • False

Questão 8

Questão
When tested with Universal Indicator, the most acidic substances will turn this colour
Responda
  • violet
  • orange
  • red
  • green

Questão 9

Questão
A substance with pH7 will come up this colour when tested with Universal Indicator
Responda
  • blue
  • orange
  • green
  • red

Questão 10

Questão
An alkali is a(n) [blank_start]_________[blank_end] that is dissolved in water
Responda
  • acid
  • base

Questão 11

Questão
When the properties of an acid are counteracted by a base, the reaction is called [blank_start]_____________[blank_end]
Responda
  • titration
  • neutralisation

Questão 12

Questão
Titration is a method used to:
Responda
  • make a basic substance as acidic as possible
  • find out the exact amount of acid required to just neutralise a certain volume of a base
  • keep litmus paper from going mouldy in the lab
  • burn a strip of magnesium oxide

Questão 13

Questão
Neutralisation reaction: ACID + BASE → [blank_start]_____________[blank_end] + [blank_start]____________[blank_end]
Responda
  • Salt
  • Copper
  • Toothpaste
  • lime
  • pipette
  • water

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