Chemistry · JEE

Online Practice: Some Basic Concepts in Chemistry for JEE

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Sharpen your chemistry preparation with interactive online practice for Some Basic Concepts in Chemistry. Goodmarks offers 36+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

Subtopics in Some Basic Concepts in Chemistry

Matter and its nature, Dalton's atomic theory
Concept of atom, molecule, element and compound
Laws of chemical combination, Atomic and molecular masses
Mole concept, molar mass, percentage composition, empirical and molecular formulae
Chemical equations and stoichiometry

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Q1ChemistryUnit 1: Some Basic Concepts in Chemistry

Volume of

N_{2},

in litres, liberated on heating 6.4 g of

N H_{4} N O_{2}

is:

Q2ChemistryUnit 1: Some Basic Concepts in Chemistry

What is the physical state of

\boldsymbol{P} \boldsymbol{C l}

late under normal condition?

Q3ChemistryUnit 1: Some Basic Concepts in Chemistry

Assertion Element can form different compound. Reason Any substance that contains only one kind of an atom is known as an element.

Q4ChemistryUnit 1: Some Basic Concepts in Chemistry

What is the density of wet air with

75 \%

relative humidity at 1 atm and

300 \mathrm{K}

? Given : vapour pressure of

H_{2} O

is 30 torr and average molar mass of air is

29 g / m o l

Q5ChemistryUnit 1: Some Basic Concepts in Chemistry

Which of the following is a true solution?

Q6ChemistryUnit 1: Some Basic Concepts in Chemistry

10 \mathrm{L}

of hard water required

0.56 \mathrm{g}

of lime (CaO) for removing hardness. Hence, the temporary hardness in ppm (part per million) of

C a C O_{3}

is :

Q7ChemistryUnit 1: Some Basic Concepts in Chemistry

Pressure remaining constant, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. This law is popularly known as:

Q8ChemistryUnit 1: Some Basic Concepts in Chemistry

What are the materials which contain at least two pure substances and show the properties of their constituents called?

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Frequently asked questions

How do I practice Some Basic Concepts in Chemistry online for JEE?

Open this page, attempt the free sample MCQs, then sign up on Goodmarks to access the full Some Basic Concepts in Chemistry question bank with topic filters and detailed explanations.

How many Some Basic Concepts in Chemistry questions are available?

Goodmarks currently has 36+ JEE-aligned MCQs for Some Basic Concepts in Chemistry, with more added regularly.

Is this aligned with the JEE Main syllabus?

Yes. All Chemistry questions on Goodmarks are organised by official JEE Main units and subtopics, including Matter and its nature, Dalton's atomic theory, Concept of atom, molecule, element and compound, Laws of chemical combination, Atomic and molecular masses, Mole concept, molar mass, percentage composition, empirical and molecular formulae, and more.

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Every question includes the correct answer and a step-by-step explanation. Free users can practise a random mix; Pro unlocks full subject and topic filters.