MCQs 1 on Chapter 9 (Hydrogen) 11th Class

These are MCQs 1 on Chapter 9 (Hydrogen) of 11th Class. Practice MCQs to check your knowledge for Entrance examination like CBSE NEET etc

1. Hydrogen from HCl can be prepard by

• Mg
• Cu
• P
• Pt

2. which of the following can absorb largest volume of hydrogen gas?

• Finely divided platinum
• Finely divided nickel
• Colloidal palladium
• Colloidal platinum

3. The nuclei of tritium (H³) atom would contain neutrons

• 1
• 2
• 3
• 4

4. The colour of hydrogen is

• Black
• Yellow
• Orange
• Colourless

5. Ordinary hydrogen at room temperature is a mixture of

• 75 % o-Hydrogen + 25% p-Hydrogen
• 25 % o-Hydrogen + 75% p-Hydrogen
• 50 % o-Hydrogen + 50% p-Hydrogen
• 1 % o-Hydrogen + 99% p-Hydrogen

6. Hydrogen cannot reduce

• Hot CuO
• Fe₂O₃
• Hot SnO₂
• Hot Al₂O₃

7. Hydrogen does not combine with

• Antimony
• Sodium
• Bismuth
• Helium

8. The absorption of hydrogen by metals is called

• Dehydrogenation
• Hydrogenation
• Occulsion
• Adsorption

9. Which of the following produces hydrolith with dihydrogen?

• Mg
• Al
• Cu
• Ca

10. The metal which displaces hydrogen from a boiling caustic soda solution is

• As
• Zn
• Mg
• Fe

MCQs 1 on Chapter 9 (Hydrogen) =>

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