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Chemistry

Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.4 mole
0.5 mole
0.25 mole
0.2 mole

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Chemistry
The Fungus which is used in the alcohol industry is

Rhizopus
Yeast
Candida Aibicans
Mushroom

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Chemistry
Heavy metals got their name because compared to other atoms they have

Higher atomic masses
Higher densities
Higher atomic radii
Higher atomic numbers

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Chemistry
Milk is a colloidal system in which:

Water is dispersed in fat
Fat and water are dispersed in each other
Fat is dispersed in water
Fat is dissolved

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Chemistry
Which among the following is a carbohydrate ?

Turpentine
Hydrogen peroxide
Nylon
Cane-sugar

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Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

1 gram of molecule
5 gram of molecule
0.5 gram of molecule
10 gram of molecule

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