Which one of the following non-metals is liquid? from Class 12 T

Subject

Science

Class

TET Class 12

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Sample Papers

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following properties of water can be used to explain the spherical shape of rain droplets?

  • Surface tension

  • Critical phenomenon

  • Viscosity

  • Pressure.


2.

Which of the following is a greenhouse gas?

  • Nitrogen

  • Carbon dioxide

  • Argon

  • Oxygen


3.

Which one of the following metals is not a mineral?

  • Bauxite

  • Gypsum

  • Hematite

  • Limonite


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4.

Which one of the following non-metals is liquid?

  • Iodine

  • Sulphur

  • Bromine

  • Phosphorus


C.

Bromine

Bromine is the only non-metals exists in a liquid state at room temperature. It is a reddish-brown liquid. It is extracted mainly from carnallite.


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5.

Which scientist discovered the radioactive element radium?

  • Albert Einstein

  • Benjamin Franklin

  • Isaac Newton

  • Marie Curie


6.

What is the reason of 'stone-cancer'?

  • Global warming

  • Radioactivity

  • Acid rain

  • Bacterial activity


7.

The gas used in artificial ripening of green fruits is

  • ethane

  • hydrogen

  • acetylene

  • nitrogen


8.

The percentage of nitrogen gas in the air is

  • 78

  • 21.5

  • 40

  • 3


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9.

Ozone is

  • an allotrope of oxygen

  • an isomer of oxygen

  • a compound of oxygen

  • an isotope of oxygen


10.

Which one of the following materials is ferromagnetic?

  • Nickel

  • Wood

  • Gold

  • Manganese


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