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Elementary School: 3rd, 4th & 5th Grade
Science
Reactions Of Metals
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Q.1
Using your knowledge of metals and their reactions, which list places the metals in order of DECREASING reactivity?
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Copper, gold, zinc, iron
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Iron, magnesium, sodium, copper
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Sodium, magnesium, iron, copper
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Zinc, gold, copper, sodium
Q.2
Magnesium ribbon reacts with acid. It will react more vigorously if .......
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less magnesium is added
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more acid is added
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more water is added
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the acid is warmed up
Q.3
The metals lithium, sodium and potassium (which react with cold water) are found in which group of the periodic table?
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1
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5
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7
Q.4
Metals are .......
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good conductors of heat and electricity
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magnetic materials
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poor conductors of heat and electricity
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usually liquids or gasses at room temperature
Q.5
Some acid is put onto strips of metal. What would you see if the metals react?
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Burning
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Color change
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Nothing
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Some bubbles of gas
Q.6
Reactive metals can take the place of a less reactive metal in some reactions. This is known as .......
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combination
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displacement
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neutralisation
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oxidation
Q.7
Zinc is more reactive than copper, so can take its place in a reaction with copper sulfate. Which is the correct word equation?
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Zinc + copper + sulfate → zinc sulfate + copper
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Zinc + copper sulfate → zinc + sulfate + copper
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Zinc + copper sulfate → zinc sulfate + copper
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Zinc sulfate + copper → zinc + copper sulfate
Q.8
If a metal reacts with a dilute acid, the products will be .......
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a salt and carbon dioxide gas
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a salt and hydrogen gas
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a salt and water
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hydrogen gas and carbon dioxide gas
Q.9
Metal carbonates react with acids to produce carbon dioxide gas. It can be tested for using .......
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a glowing splint
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a lighted splint
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limewater
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universal indicator
Q.10
A metal which has been used for pipes and in coins because it has little reaction with air or water is .......
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copper
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iron
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sodium
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tin
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