Science ability Quiz #2

also see the my other quizzes of 'Science ability' as well as 'iq' series!!!!
Quiz by Lucknowite
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Last updated: January 24, 2018
First submittedJanuary 24, 2018
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Hint
Answer
Among the various allotropes of carbon,_____is the hardest
diamond
The element common to all acids is
hydrogen
Galvanised iron sheets have a coating of
zinc
Heavy water is______oxide
deuterium
Among the various allotropes of carbon,_____is the softest
graphite
Most soluble in water is
sugar
Hint
Answer
Non stick cooking utensils are coated with
Teflon
Monazite is an ore of
titanium
Permanent hardness of water may be removed by the addition of
sodium carbonate
Soda water contains(a greenhouse gas)
carbon dioxide
Bauxite is an ore of
aluminium
Which of the inert gas was to be discovered first in the chromospheres of the sun?
Helium
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