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Some Basic Concepts of Chemistry

Short Answer Type

31.

What is G.M.V.?

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32.

What is gram atom?

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33.

What is a.m.u.?

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34.

Nitrogen forms five stable oxides with oxygen of the formulae N₂O, NO, N₂O₃, N₂O₄, N₂O₅. This oxide formation explains which law of chemical combination?

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35.

How many moles of helium gas occupy 22.4 litres at 0°C and 1 atmosphere?

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36.

How will you convert 37⁰ celsius into Fahrenheit.

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37.
How many number of moles of oxygen atoms are present in 0.6 mole of hydrated oxalic acid (COOH)₂2H₂O?

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38.

How many molecules of hydrogen are present in 112 mL of a gas at NTP?

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39.

The cost of table sugar (C₁₂H₂₂O₁₁) is Rs 6 per kg. What is its cost per mole?

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40.

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

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Previous Year Papers

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Short Answer Type

37. How many number of moles of oxygen atoms are present in 0.6 mole of hydrated oxalic acid (COOH)22H2O?

37.
How many number of moles of oxygen atoms are present in 0.6 mole of hydrated oxalic acid (COOH)₂2H₂O?