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The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 10206Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
SSC,
6 16582Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these
3 15601A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability
1 10477Of the various forms of carbon, the one which is used for adsorption purpose, is 1 Diamond 2 Graphite 3 Coke 4 Wood charcoal
1 3840The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
2 9583An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
4 27756The inert gas which is substituted for nitrogen in the air, used by deep sea divers for breathing, is 1 Helium 2 Argon 3 Krypton 4 Xenon
3 17202The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals
2 9400Amalgams are 1 Alloys which contain carbon 2 Alloys which have great resistance to abrasion 3 Alloys which contain mercury as one of the contents 4 None of these
2 4098Which of the following characteristics is not-shown by hydrogen? 1 It burns in air to form water 2 It supports combustion 3 It combines with almost all the metals forming hydrides 4 None of these
1 4222Post New General Science Questions
Who propounded the signs of the zodiac?
Explain the Evolution of Science as a discipline in the Medieval Period
How can we calculate %difference in Weighing balance?
Who is the chairman od atomic energy commission of india?
What are nebulae?
What are luminous irregular nebulae?
Science as a social endeavor .Explain
In modern science, what is 'fourth dimension'?
I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????
Which is the largest comet?
Please can someone tell me, how many times during a 12 hour period, do the hands of a clock face opposite each other? I believe its 11. Also, would this be the same, no matter WHAT the starting time? i.e. if the 12 hour period started at 6 o clock, would it still be 11 times? Many thanks for your help.
What is light year?
When and by whom was the meteorological unit founded in bangalore science institute?
what are advantages of excess populatoin?
meron po bang minerals ang astoroids po ba?
