Q1ChemistryUnit 1: Some Basic Concepts in Chemistry
What is molecular formula of oleum?
Chemistry · JEE
Mole concept, molar mass, percentage composition, empirical and molecular formulae Revision for JEE
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Revision checklist
- 1.Core idea: Mole concept, molar mass, percentage composition, empirical and molecular formulae
- 2.Relates to other subtopics in Some Basic Concepts in Chemistry
- 3.Mole concept, molar mass, Avogadro number
- 4.Empirical and molecular formulae
- 5.Master Mole concept, molar mass, percentage composition, empirical and molecular formulae definitions and standard results
- 6.Solve 20 timed MCQs for Mole concept, molar mass, percentage composition, empirical and molecular formulae
Syllabus context
Part of Some Basic Concepts in Chemistry in JEE Main Chemistry.
Free sample questions
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Q2ChemistryUnit 1: Some Basic Concepts in Chemistry
The volume of 0.5 moles of a gas at 273
and pressure is:
Q3ChemistryUnit 1: Some Basic Concepts in Chemistry
The number of significant figures in
i.e., Avogadro's
number, is :
Q4ChemistryUnit 1: Some Basic Concepts in Chemistry
of a gas at of
weight
the mol.wt.of gas is:
Q5ChemistryUnit 1: Some Basic Concepts in Chemistry
Which of the following contains maximum number of atoms?
Q6ChemistryUnit 1: Some Basic Concepts in Chemistry
A metal M of atomic weight 54.94 g has a density of 7.42 g/cc. The apparent volume occupied by one atom of the
metal will be:
Q7ChemistryUnit 1: Some Basic Concepts in Chemistry
If repeated measurements give values close to one another, the number is:
Q8ChemistryUnit 1: Some Basic Concepts in Chemistry
The number of moles of sodium oxide in
620 g of it is:
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