Multiple Choice Question Answer XXXXX — task. Science CBSE, Class 9.

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1. Which of the following has the largest number of molecules ?

4.4 g of \(CO_2\)
2 g of \(H_2\)
8 g of \(CH_4\)
34.2 g of \(CH_3\)

2. Which of the following contains one mole molecule of the substance ?

2 g Hydrogen
16 g Oxygen
7 g Nitrogen
36 g Water

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