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Which of the following elements will for...

Which of the following elements will form an acidic oxide ?

A

An element with atomic number 7

B

An element with atomic number 3

C

An element with atomic number 12

D

An element with atomic number 19

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The correct Answer is:
A
Explanation : Formation of acidic oxides is character of non-metals. Here element with atomic number 7 is a non-metal that is nitrogen. Rests of all are metals.
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OSWAL PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -NCERT EXEMPLAR (MULTIPLE CHOICE QUESTIONS)
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  9. Which of the following elements does not lose an electron easily ?

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  12. Arrange the following elements in the order of their increasing non-me...

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