the magnetism behaviour of O2

What is the primary purpose of passing oxygen gas through a copper coil immersed in liquid nitrogen?

• To purify the oxygen gas.

• To increase the temperature of the oxygen gas.

• To condense the oxygen gas into a liquid.

• To separate oxygen from other gases.

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What is the observed color of liquid oxygen?

• Clear and colorless.

• Pale blue.

• Light green.

• Dark red.

How does liquid nitrogen behave when poured between the poles of a strong magnet?

• It is strongly attracted to the magnet.

• It is repelled by the magnet.

• It flows straight through without interaction.

• It freezes solid between the poles.

What happens when liquid oxygen is poured between the poles of a strong magnet?

• It is repelled and splashes away.

• It is attracted and forms a bridge between the poles.

• It evaporates instantly.

• It changes color to red.

The experiment demonstrates which magnetic property of oxygen?

• Diamagnetism.

• Ferromagnetism.

• Paramagnetism.

• Antiferromagnetism.