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of (Atomic mass = ) will combine with __________ of to form aluminium oxide.
(a)
(b)
(c)
(d)

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Important Questions on Some Basic Concepts of Chemistry
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The volume of ammonia at obtained by the combination of of and is:

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What mass of will be obtained by heating mole of ?

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of reacts with of to yield water. The limiting reactant is______________ and the number of moles of formed is ___________

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Which of the following is a compound?

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Two elements, (Atomic mass ) and (Atomic mass ) combine to form compounds and . The ratio of different masses of that combine with fixed mass of in is . If parts by mass of combine with parts by mass of in , in parts by mass of will combine with _______________

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Which of the following is the value of ?

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What is the unit of density?

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A sample of pure carbon dioxide irrespective of its source, contains of carbon and of oxygen. The data supports the ________
