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Reactions of Metals and Dilute Acid
Reaction of Metals with Dilute Acids
Lesson 5
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Science
Secondary Education
Age 12,13
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Reaction of Metals with Dilute Acids
Lesson 5
Slide 1 - Tekstslide
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Slide 2 - Poll
Reaction of Metals with Dilute Acids
Lesson 5
Slide 3 - Tekstslide
Recall of the previous lesson
oxygen + sodium -> _________ + ________
oxygen + magnesium -> _______ + ________
oxygen + iron -> _______ + ________
water + potassium -> _______ + ________
water + calcium -> _______ + ________
magnesium + steam -> _______ + ________
Slide 4 - Tekstslide
Some metals may be difficult to see it react with water. What causes this?
A
layer of metal oxide on the metal's surface
B
The metal is reactive.
C
There's heat.
D
There's water.
Slide 5 - Quizvraag
Which material is used to clean the surface of rusted metals?
A
water
B
sandpaper
C
acid
D
salt
Slide 6 - Quizvraag
__________ and potassium react violently in water.
A
Mercury
B
Sodium
C
Iron
D
Gold
Slide 7 - Quizvraag
metal + water ______ + hydrogen
A
metal hydroxide
B
metal oxide
C
metal oxygen
D
hydrated oxygen
Slide 8 - Quizvraag
What gas is produced when sodium and water react?
A
oxygen
B
nitrogen
C
hydrogen
D
helium
Slide 9 - Quizvraag
Sodium and potassium have to be stored under _____ to prevent them from reacting with the steam in air?
A
water
B
wood
C
oil
D
concrete
Slide 10 - Quizvraag
sodium + water ___________ + hydrogen
A
sodium oxide
B
sodium hydroxide
C
sodium oxygen
D
sodium water
Slide 11 - Quizvraag
The word equation for the reaction of magnesium and steam is:
magnesium + water(g) _____ + hydrogen gas
A
magnesium oxide
B
magnesium hydroxide
C
magnesium oxygen
D
water vapour
Slide 12 - Quizvraag
If an element is said to be "inert", what does it mean?
Slide 13 - Open vraag
Reaction of Metals with Dilute Acids
Lesson 5
Slide 14 - Tekstslide
What is the word equation for the reaction of magnesium with dilute hydrochloric acid?
magnesium + hydrochloric acid ______ + _____
A
magnesium chloride + water
B
magnesium chloride + hydrogen
Slide 15 - Quizvraag
Magnesium chloride is an example of a ________.
A
salt
B
acid
Slide 16 - Quizvraag
When a metal reacts with
an acid, the products are a salt and ______________.
A
metal hydroxide
B
hydrogen gas
C
metal oxide
Slide 17 - Quizvraag
The general equation for the reaction of a metal and an acid is:
metal + acid metal acid + hydrogen
A
TRUE
B
FALSE
Slide 18 - Quizvraag
Group Activity
Write the word equation for the reaction between magnesium and sulfuric acid.
What is the salt produced in the reaction in question 1?
Describe what you would observe if this reaction took place in a test tube.
Write the word equation for the reaction between zinc and nitric acid.
Slide 19 - Tekstslide
Rate your understanding of the lesson.
1
5
Slide 20 - Poll
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