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Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
3 12848Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
3 16522Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these
2 7929Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium
4 10380Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo
AFMC,
2 17887Among the various allogropes of carbon 1 Diamond is the hardest, lamp black is the softest 2 Diamond is the hardest, coke is the softest 3 Coke is the hardest, graphite is the softest 4 Diamond is the hardest, graphite is the softest
1 3544Liquefied Petroleum Gas consists of mainly 1 Methane, ethane and hexane 2 Ethane, hexane and noname 3 Methane, butane and propane 4 Methane, hexane and nonane
2 13775Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen
3 11280Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium
1 9678Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium
2 13236Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
1 5775Post New General Science Questions
The country helped in arihant’s built?
What are reflecting nebulae?
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????
A team of u.n scientists visited thumba?
The year in which magnetic observations were started in mumbai and thiruvananthapuram?
What are cosmic rays?
Explain the Evolution of Science as a discipline in the Medieval Period
List out the General Objectives of teaching Physical science at Primary stages.
Explain how you can integrate Life skills in Science Teaching
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
what is office automation?
What is the speed of arihant?
What are luminous irregular nebulae?
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
What is one light hour?
