Y7 Revision: Reactions

Y7 Revision: Reactions
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Slide 1: Diapositive
ChemistryLower Secondary (Key Stage 3)

Cette leçon contient 37 diapositives, avec quiz interactifs et diapositives de texte.

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Y7 Revision: Reactions

Slide 1 - Diapositive

Acid or Alkali?
Acid
Alkali
Stomach acid
Sodium hydroxide
Taste sour
pH < 7
pH > 7
Bleach
Vinegar

Slide 2 - Question de remorquage

Slide 3 - Diapositive

Observations

Slide 4 - Carte mentale

Slide 5 - Diapositive

Select one reactant in this equation.

sodium + water → sodium hydroxide + hydrogen
A
sodium hydroxide
B
sodium
C
water
D
hydrogen

Slide 6 - Quiz

Select one product in this equation.

nitric acid + copper oxide → copper nitrate + water
A
nitric acid
B
water
C
copper oxide
D
copper nitrate

Slide 7 - Quiz

What is wrong with this equation?

sodium and oxygen = sodium oxide

Slide 8 - Question ouverte

Fill in the word equation for methane reacting with oxygen to form carbon dioxide and water.
+
+
methane
oxygen
carbon dixode
water

Slide 9 - Question de remorquage

Slide 10 - Diapositive

Slide 11 - Diapositive

Slide 12 - Diapositive

What does this hazard symbol mean?
A
Corrosive
B
Flammable
C
Irritant
D
Toxic

Slide 13 - Quiz

What does this hazard symbol mean?
A
Corrosive
B
Flammable
C
Irritant
D
Toxic

Slide 14 - Quiz

What precautions should we take when handling acids and alkalis?

Slide 15 - Question ouverte

Slide 16 - Diapositive

Slide 17 - Diapositive

Slide 18 - Diapositive

Slide 19 - Diapositive

Slide 20 - Diapositive

What colour does red litmus paper turn in an alkali?
A
Red
B
Blue
C
Green
D
Yellow

Slide 21 - Quiz

What colour does universal indicator go in a strong acid?
A
Red
B
Blue
C
Green
D
Yellow

Slide 22 - Quiz

What is the pH of a substance which turns universal indicator green?
A
0-2
B
8-11
C
7
D
3-6

Slide 23 - Quiz

A substance that has a pH 8-11 is a...
A
strong acid
B
weak acid
C
weak alkali
D
strong alkali

Slide 24 - Quiz

Slide 25 - Diapositive

Slide 26 - Diapositive

Slide 27 - Diapositive

Hydrochloric acid forms a...
A
Nitrate
B
Chloride
C
Sulfate
D
Oxide

Slide 28 - Quiz

Which of these substances is an alkali?
A
Nitric acid
B
Magnesium
C
Calcium chloride
D
Sodium hydroxide

Slide 29 - Quiz

The reaction of an acid and alkali is called...
A
Combustion
B
Displacement
C
Neutralisation
D
Oxidation

Slide 30 - Quiz

Slide 31 - Diapositive

Properties of metals

Slide 32 - Carte mentale

Slide 33 - Diapositive

Slide 34 - Diapositive

Give a reason that rings are made from metal
A
Malleable
B
High melting point
C
Good thermal conductor
D
Shiny

Slide 35 - Quiz

Give a reason for making wires out of metal.
A
Shiny
B
High melting point
C
Ductile
D
Good electrical conductor

Slide 36 - Quiz

Slide 37 - Diapositive