Tag: general knowledge

Questions Related to general knowledge

Which of the following metals forms an amalgam with other metals?
general knowledge science & technology

  1. Tin

  2. Mercury

  3. Lead

  4. Zinc

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Correct Option: B

Chemical formula for water is
general knowledge science & technology

  1. NaA1O2

  2. H2O

  3. Al2O3

  4. CaSiO3

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Correct Option: B

The gas usually filled in the electric bulb is
general knowledge science & technology

  1. nitrogen

  2. hydrogen

  3. carbon dioxide

  4. oxygen

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Correct Option: A

Washing soda is the common name for
general knowledge science & technology

  1. Sodium carbonate

  2. Calcium bicarbonate

  3. Sodium bicarbonate

  4. Calcium carbonate

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Correct Option: A

Quartz crystals normally used in quartz clocks etc. is chemically
general knowledge science & technology

  1. silicon dioxide

  2. germanium oxide

  3. a mixture of germanium oxide and silicon dioxide

  4. sodium silicate

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Correct Option: A

Which of the gas is not known as green house gas?
general knowledge science & technology

  1. Methane

  2. Nitrous oxide

  3. Carbon dioxide

  4. Hydrogen

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Correct Option: D

Bromine is a
general knowledge science & technology

  1. black solid

  2. red liquid

  3. colourless gas

  4. highly inflammable gas

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Correct Option: B

The hardest substance available on earth is
general knowledge science & technology

  1. Gold

  2. Coal

  3. Diamond

  4. Platinum

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Correct Option: C

The variety of coal in which the deposit contains recognisable traces of the original plant material is
general knowledge science & technology

  1. bitumen

  2. anthracite

  3. lignite

  4. peat

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Correct Option: D

Tetraethyl lead is used as
general knowledge science & technology

  1. pain killer

  2. fire extinguisher

  3. mosquito repellent

  4. petrol additive

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Correct Option: D