Q. Plants need Nitrogen (N₂) to aid in the formation of

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Q. Consider the reaction: SiO₂(s) + NaOH(l) → Na₂SiO₃(aq) + H₂O(l). The moles of SiO₂ required to complete the reaction would be

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Q. The oxidation number of sulfur trioxide is

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Q. Oxygen has a higher electronegativity than

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Q. The oxidation number of sulfur dioxide is

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Q. Group 0 elements consist of

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Q. Which option is incorrect about a bloom of algae?

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Q. Tiny droplets of water (sulfuric acid solution) in clouds are

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Q. Sulfur dioxide (SO₂) is

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Q. When acid rain falls in the river and lakes, the pH of water will

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Q. The unit of pressure is

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Q. The concentration of gas is proportional to the

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Q. Respiratory diseases in patients are diagnosed by analyzing partial pressure of gases in

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Q. Partial pressure is equal to total pressure multiply by

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Q. The pressure which is exerted by any one has in a mixture is called

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Q. A hydrocarbon which is composed of only one carbon and hydrogen is called

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Q. A large room which is filled with 2600 moles of gases contains 60 kg of nitrogen and 17 kg of

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Q. The hypothesis that the equal volume of all gases possess the same number of molecules is called

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Q. The mole concept helps us in the calculation of

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Q. Real gases do not react as expected the

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