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BECE Science 2020 Paper
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© africaexams.com
Question : 37
Total: 40
When an unknown solution reacted with magnesium, a gas was produced. Which of the following solutions could be the
unknown solution
Sodium chloride solution
Sodium hydroxide solution
Hydrochloric acid
Calcium nitrate solution
Validate
Solution:
When Hydrochloric acid react with magnesium a gas is always liberated
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