IIT-JEE 1979 | Some Basic Concepts of Chemistry Question 69 | Chemistry

IIT-JEE 1979

MCQ (Single Correct Answer)

-0.5

The total number of electrons is one molecule of carbon dioxide is

IIT-JEE 1979

MCQ (Single Correct Answer)

-1

A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 by weight. Therefore the ratio of their no of molecules is

1 : 4

1 : 8

7 : 32

3 : 16

IIT-JEE 1978

MCQ (Single Correct Answer)

-0.5

27 g of Al will react completely with how many grams if oxygen?

8 g

16 g

32 g

24 g

IIT-JEE 1978

MCQ (Single Correct Answer)

-0.5

A compound was found to contain nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of compound is

N₂O₃

N₂O₅

N₂O₄

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