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Subjects
Science CBSE
Class 10
Chemical reaction and equations
Textbook questions
1.
Intext Questions I
Exercise condition:
2
m.
1.
Why should a magnesium ribbon be cleaned before burning in air?
To remove the oxide layer and allows for slow oxidation.
To remove the oxide layer and allows for faster burning.
To remove the oxide layer and allows for fast oxidation.
To remove the oxide layer and allows for slow burning.
2.
Write the balanced equation for "Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride".
\(3BaCl_2\) +\( Al_2(SO_3)_3\) → \(3BuSO_4\) + \(2AlCl_3\)
\(3BaCl_2\) +\( Al_2(SO_4)_3\) → \(3BaSO_4\) + \(2AlCl_3\)
\(3BuCl_2\) +\( Al_2(SO_3)_3\) → \(3BeSO_4\) + \(2AlCl_3\)
\(3BaCl_2\) +\( Al_2(SO_3)_3\) → \(3BeSO_4\) + \(2AlCl_3\)
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