Online Chemistry Tests Series for Class 12 Boards

There is no prescribed syllabus for chemistry competitive examination for class 12 board. Thus these Chemistry tests 1, 2, and 3, framed for syllabus up to 10/12/1st year graduate chemistry students chemistry courses.

High School Chemistry Test

After complete the test series, you will find its correct answers.

Online Chemistry Quiz 1

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1 / 14

Effective nuclear charge of the hydrogen atom

2 / 14

1 debye is equal to how many coulomb meters?

3 / 14

The Critical constants for water are 647 K, 22.09 MPa and 0.0566 dm³mol⁻¹, the value of Van der Waals constant b

4 / 14

The oxidation number of chromium in Cr₂O₅

5 / 14

Arrange the following alkenes in order of increasing stability

  1. Me₂C=CH₂
  2. cis-MeCH=CHMe
  3. trans-MeCH=CHMe
  4. MeCH₂CH=CH₂

6 / 14

The number of gaseous molecules left in a volume of 1 mm³ if it pumped out to give a vacuum of 10⁻⁶ mm Hg at 298

7 / 14

The number of water molecules in 250 ml of water is closest to
Given the density of water 1.0 gm ml-1, Avogadro number =6.023 × 1023

8 / 14

Boyle temperature of nitrogen gas if a = 1.4 atm lit² mol⁻² and b = 0.04 lit mol⁻¹

9 / 14

The number of molecules presents per ml of an ideal gas maintained the pressure of 7.6 ×10⁻³ mm of Hg at 0°C

10 / 14

What is the radius of the Argon atom if Tc = - 122°C, Pc = 48 atm?

11 / 14

Shielding constant of the 4S electron of chromium atom

12 / 14

Write down the common names of the following organic compound

CH₂CH₂CH₂CH=CH₂

13 / 14

The oxidation number of Iron in [Fe(H₂O)₅(NO)⁺]SO₄

14 / 14

The oxidation number of phosphorus in Ba(H₂PO₂)₂

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Electronic Structure