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Which one of the following pairs of gases contains the same number of molecules? 

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Important Questions on Some Basic Concepts of Chemistry

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 45
One mole of oxygen gas weighs ______________ 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 46
Under similar conditions, same mass of oxygen and nitrogen is taken. The ratio of their volumes will be _________.
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 47
The mass percentage of each constituent element present in 100 g of a compound is called its 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 48
___________of a compound is the chemical formula indicating the relative number of atoms in the simplest ratio. 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 49
The percentage composition of carbon in urea, [CO(NH2)2] is _______ 
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 50
 What is the % of H2O in Fe(CNS)3.3H2O? (molar mass of Fe(CNS)3.3H2O=284 g)
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 51
The percentage of oxygen in NaOH is _________
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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Classical Thinking>Q 52
A compound made of two elements A and B are found to contain 25% A (Atomic mass 12.5) and 75% B (Atomic mass 37.5). The simplest formula of the compound is _____