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Science CBSE Homework Assignments
Class 10
Chemical reaction and equations
Chemical reaction
1.
Chemical reactions and equations
Question:
4
m.
Choose the best answer:
1.
Choose the balanced equation for the following chemical reaction.
Magnesium + oxygen → Magnesium oxide.
\(Mg\) + \(O_2\) → \(MnO\)
\(Mg\) + \(O_2\) → \(MgO\)
\(Mg\) + \(O_3\) → \(MgO\)
\(Mg\) + \(Air\) → \(MgO\)
2.
Choose the balanced equation for the following chemical reaction.
Iron + Copper sulphate → Iron sulphate + Copper
\(Ir\) + \(CuSO_4\) → \(FeSO_4\) + \(Cu\)
\(Fe\) + \(CuSO_4\) → \(FeSO_4\) + \(Cu\)
\(Fe\) + \(CoSO_4\) → \(FeSO_4\) + \(Cu\)
\(Fe\) + \(CuSO_4\) → \(FeSO_2\) + \(Co\)
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