Textbook questions II — task. Science CBSE, Class 10.

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1. Which of the following pairs will give displacement reactions?

\(NaCl\) solution and copper metal
\(AgNO_3\) solution and copper metal
\(FeSO_4\) solution and silver metal
\(MgCl_2\) solution and aluminium metal

2. Which of the following methods is suitable for preventing an iron frying pan from rusting?

All of the above
Applying a coating of zinc
Applying grease
Applying paint

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