Aluminium is a reactive metal but still it is used for packing food articles. Give reason.

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Solution

aluminium is a reactive metal but still it is used for packing because when it combines with oxygen it forms oxide which prevents the further reaction.

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Questions 12(c)

Give reason why aluminium is a highly reactive metal, yet it is used to make utensils for cooking?

Q. Assertion :Aluminium is use in thermite process. Reason: Aluminium has a high affinity for oxygen. It readily removes oxygen from oxides of less reactive metals so it is used in thermite welding.

Q. Hydrogen is not a metal-but it has been assigned a place in the reactivity series of metals. Give the reason for it.

Q. (a) What is corrosion?
(b) Name any two metals which do not corrode easily.
(c) What is the corrosion of iron known as?
(d) Explain why, aluminium is a highly reactive metal, still it is used to make utensils for cooking.

Suppose copper was high up in the reactivity series. Would it still have been such a useful metal? Give reason

(Could you please check my answer)

Ans: yes it still would have been and useful Metal as it is used in making copper wires and electric cables in the electric appliances and the high reactivity of copper has no relation with the application it is used for.if copper had been highly reactive or low reactive It Would Still be used in making electric cables and wires

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