Science Quiz

Choose the correct option and click Submit. Click Next to move to the next question.

Chlorophyll is a naturally occurring chelate compound in which the central metal is:

Chlorophyll is used by plants to -

Which of the following is used in pencils?

Which of the following metals forms an amalgam with other metals?

Gas usually filled in electric bulb:

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is:

The property of a substance to absorb moisture from the air on exposure is called:

Galvanised iron sheets have a coating of:

Heavy Water is:

The elements common to all acids is:

Copper
Iron
Magnesium
Calcium
Photosynthesis
Respiration
Transpiration
Food absorption
Graphite
Charcoal
Silicon
Phosphorous
Tin
Lead
Mercury
Zinc
Nitrogen
Hydrogen
Carbon Dioxide
Oxygen
Argon
Xenon
Helium
Krypton
Osmosis
Deliquescence
Efflorescence
Desiccation
Lead
Chromium
Zinc
Tin
Deuterium Oxide
PH7
Rain Water
Tritium Oxide
Hydrogen
Carbon
Sulphur
Oxygen

Not quite correct! You can try it again.

Chlorophyll is a naturally occurring chelate compound in which central metal is Magnesium.

Not quite correct! You can try it again.

That's correct.

Not quite correct! You can try it again.

You are correct!

Not quite correct! You can try it again.

That's correct. An alloy with mercury is called amalgam

Not quite correct! You can try it again.

That's correct.

Not quite correct! You can try it again.

You are correct! helium is used as it is not as narcotic as nitrogen

Not quite correct! You can try it again.

That's correct.

Not quite correct!

Galvanizing is a process of coating iron or steel with zinc in order to provide greater protection against corrosion for the iron or steel base.

Not quite correct! You can try it again.

That's correct.

Not quite correct! You can try it again.

That's correct.