GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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what are the products of these reactions?K+O2
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KOH, Na2O
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K2O, NaOH +H2
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KOH+H2, Na2O
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None of the above
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Explanation:
Detailed explanation-1: -Potassium oxide is a metal oxide with formula K2O. It is a potassium salt and a metal oxide.
Detailed explanation-2: -It is a single replacement reaction because only one replacement of elements occurs. Hence, the type of the given reaction is a single replacement reaction.
Detailed explanation-3: -Balance: K + H2O → KOH + H2 | General Knowledge Questions.
Detailed explanation-4: -The reaction is an redox reaction because sodium undergoes oxidation and water undergoes reduction.
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