Question

Which of the following is incorrect?
(a)Zinc Oxide is called as amphoteric oxide
(b) Silicon counts among metalloids
(c) Sodium is kept open in air
(d) Metals conduct electricity

Answer 1

Answer:

sodium is kept open air

Explanation:

Which of the following is incorrect?

Sodium is kept open in air

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Answer 2

Answer:

Incorrect- c) Sodium is kept in air

Explanation:

Bcoz sodium is very highly reactive metal..

when it is kept open in air ,it reacts with oxygen and catches fire..

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