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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 10093Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
SSC,
6 16304Diamond 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 15421A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability
1 10385Of the various forms of carbon, the one which is used for adsorption purpose, is 1 Diamond 2 Graphite 3 Coke 4 Wood charcoal
1 3753The 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 9473An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
4 27556The 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 17019The 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 9274Amalgams 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 3968Which 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 4138Post New General Science Questions
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
What is super nova?
In which year, physical laboratory in ahmedabad was founded?
what is composition of fizzy drinks
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
meron po bang minerals ang astoroids po ba?
Which country has no sunrise?
what are advantages of excess populatoin?
Who invented telescope?
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
what would be the fate of life on earth 10 yrs down the lane.
Who propounded the signs of the zodiac?
Explain the Evolution of Science as a discipline in the Medieval Period
Which are the important pulsating nebulae?
