Chemistry Basic Concepts Quiz Online

Chemistry basic and fundamentals concepts are essential to learning for every level in chemistry courses. Here, we have compiled many chemistry fundamental concepts quizes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).
Before taking this quiz, you can revise your fundamental concepts in chemistry by using the following of our free resources.

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#1. An Ordinary Microscope Is Used To Measure the Object of Size:

Up to 1200 Nm

Up to 1200 Nm

Up to 500 Nm

Up to 500 Nm

Up to 850 Nm

Up to 850 Nm

Up to 1000 Nm

Up to 1000 Nm

#2. Atomic Masses Unit (Amu) Is Equation:

1.66 X 10–27 Kg

1.66 X 10–27 Kg

1.76 X 10–21 Kg

1.76 X 10–21 Kg

1.56 X 10–27 Kg

1.56 X 10–27 Kg

1.8 X 10–27 Kg

1.8 X 10–27 Kg

#3. Nickel Has Isotopes:

1

1

3

3

7

7

5

5

#4. Cadmium Has Isotopes:

9

9

7

7

3

3

5

5

#5. The Pressure of Vapours in the Separating Isotopes by Mass Spectrometry Is Kept At:

10–4 Torr

10–4 Torr

10–5 Torr

10–5 Torr

10–3 Torr

10–3 Torr

10–6 Torr

10–6 Torr

#6. Number of Gram Atoms in 0.1 gm. Of Na Is:

0.403

0.403

None of These

None of These

0.0043

0.0043

0.0403

0.0403

#7. Molecule of Haemoglobin Contains Atoms:

12,000

12,000

10,000

10,000

8,000

8,000

15,000

15,000

#8. Haemoglobin Is Heavier Than a Hydrogen Atom:

68,000

68,000

65,000

65,000

60,000

60,000

62,000

62,000

#9. What is the molar mass of barium perchlorate, Ba (ClO4)2?

336.20 g/mol

336.20 g/mol

189.90 g/mol

189.90 g/mol

240.24 g/mol

240.24 g/mol

272.24 g/mol

272.24 g/mol

#10. A compound has a molecular formula of C12H24O6. What is this compound's empirical formula?

CHO

CHO

C12H24O6

C12H24O6

C6H12O3

C6H12O3

C2H4O

C2H4O

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