Properties of H2 Quiz

Properties of H2 Quiz brings to life one of the most fascinating elements in chemistry hydrogen. A small but remarkable trivia, the Hindenburg airship, filled with hydrogen gas, once demonstrated both the promise and peril of this lightest element. Though the tragedy overshadowed its scientific value, it highlighted hydrogen’s extremely low density and high flammability. This quiz helps you rediscover the core properties of H2, including the burning of hydrogen gas, its physical traits, and its simple yet versatile behaviour in reactions that continue to intrigue scientists to this day.

Properties of H2

Which test confirms the presence of hydrogen gas?

Glowing splint test

Pop sound test

Limewater test

Blue litmus test

Which of the following describes hydrogen gas correctly?

Heavier than air

Poisonous

Soluble in water

Colorless and odorless

What happens when hydrogen gas burns in air?

Carbon dioxide

Oxygen

Water

Steam

Which of the following is true about hydrogen gas?

It is combustible

It supports combustion

It is non-combustible

It extinguishes fire

How should the gas jar collecting hydrogen be kept?

Upright

Tilted at 45°

Sealed tightly

Upside down

What is the colour of the flame when hydrogen gas is burnt?

Red

Blue

Yellow

Green

Which of the following is true about the density of hydrogen?

It is heavier than air

It is equal to air

It is about 14 times lighter than air

It is denser than oxygen

Hydrogen gas is _______ in nature.

Neutral

Acidic

Basic

Amphoteric

Hydrogen shows which type of behavior in reactions?

Only reducing

Only oxidizing

Both reducing and oxidizing

Neutral

What is the boiling point of hydrogen?

100 K

0°C

50°C

20 K

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Sample Questions from This Quiz

Which test confirms the presence of hydrogen gas?
Which of the following describes hydrogen gas correctly?
What happens when hydrogen gas burns in air?
Which of the following is true about hydrogen gas?
How should the gas jar collecting hydrogen be kept?

Try the full quiz and see how many of these you can answer!

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