Question

+24. If half mole of oxygen combine with Al to form Al2O3, the weight of Al used in the reaction is
(a) 27 g
(b) 40.5 g
(c) 54 g
(d) 18 g
25. Which of the following does not occupy a volume of 4.48 L at S.T.P. ?

Answer 1

Answer:

24) a

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