True or False The reactivity series lists metals in order of how readily they react.
True
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banana
Go to last place!
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gold
Win 50 points!
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gift
Win 20 points!
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lifesaver
Give 10 points!
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15
Which metal reacts vigorously with water and oxygen?
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3) A grade 7 student wants to know if the reaction of hydrochloric acid and sodium hydroxide solution is exothermic or endothermic. He did an experiment for this reaction. Give the name of this reaction:
Neutralization
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âĶâĶâĶâĶâĶâĶ.. doesnât react with Acid.
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âĶâĶâĶâĶâĶâĶâĶâĶâĶ.. process releases heat energy to the surroundings
Freezing
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15
In the reactivity series, metals become ______ as you go down the list.
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Which of the following is an example of an endothermic reaction?
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Which gas is always produced when a metal reacts with water?
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seesaw
Swap points!
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gift
Win 5 points!
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gift
Win 20 points!
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baam
Lose 10 points!
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banana
Go to last place!
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magnet
Take 25 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
4) After reacting hydrochloric acid with sodium hydroxide, the temperature has increased from 21ËC to 52ËC. This reaction is:
Exothermic
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10
True or False Reactivity decreases from bottom to top of the series.
False
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Which metal is used for sacrificial protection on steel ships?
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Which of the following represents sodium peroxide formula
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15
What happens when zinc is attached to a steel ship?
