Chemistry · JEE

Mole concept, molar mass, percentage composition, empirical and molecular formulae MCQs for JEE

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Mole concept, molar mass, percentage composition, empirical and molecular formulae JEE MCQs on Goodmarks include 50+ multiple-choice questions with correct answers and step-by-step solutions. Attempt free samples below or unlock the full bank with Pro.

Master Mole concept, molar mass, percentage composition, empirical and molecular formulae through exam-style multiple-choice questions. This page features 50+ JEE MCQs covering Mole concept, molar mass, percentage composition, empirical and molecular formulae, each with verified answers and clear explanations.

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Part of Some Basic Concepts in Chemistry in JEE Main Chemistry.

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Q1ChemistryUnit 1: Some Basic Concepts in Chemistry

What is molecular formula of oleum?

Q2ChemistryUnit 1: Some Basic Concepts in Chemistry

The volume of 0.5 moles of a gas at 273

\mathrm{K}

and

380 \mathrm{mm}

pressure is:

Q3ChemistryUnit 1: Some Basic Concepts in Chemistry

The number of significant figures in

N_{0}=6.022 \times 10^{23}

i.e., Avogadro's number, is :

Q4ChemistryUnit 1: Some Basic Concepts in Chemistry

380 \mathrm{mL}

of a gas at

27^{0} \mathrm{C}, 800 \mathrm{mm}

\mathrm{Hg}

weight

0.455 \mathrm{g} .

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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What type of Mole concept, molar mass, percentage composition, empirical and molecular formulae MCQs appear in JEE?

JEE Main tests Mole concept, molar mass, percentage composition, empirical and molecular formulae through conceptual and numerical MCQs. Goodmarks mirrors this format with four-option questions and detailed solutions.

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