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Chemistry /
Chap No 1 /
Quiz 1

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MDCAT - NMDCAT Past Papers - Chemistry - Chap No 1 Quiz

Attempt 10 MCQs on MDCAT - NMDCAT Past Papers - Chemistry - Chap No 1 | Quiz 1

1. Avogadro's constant is number of:

Atoms in 1g He
Molecules in 35.5g chlorine
Electrons in 2g Hydrogen
Atoms in 24g Mg

2. Diameter of atom is:

0.9nm
0.2nm
0.5nm
1nm

3. Size of molecules depends upon:

No. of atoms
Shape of atoms
Both A & B
None of the above

4. How many molecules are there in 2.1 mole of CO₂?

1.26 x 10²⁴
3.49 x 10²⁴
2.53 x 10²⁴
3.79 x 10²⁴

5. Ascorbic acid (Vitamin C) has high percentage of:

Carbon
Hydrogen
Oxygen
Nitrogen

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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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