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Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
3 13025Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
3 16673Permanent 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 8047Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium
4 10601Rust 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 17997Among 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 3644Liquefied 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 13876Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen
3 11455Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium
1 9810Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium
2 13363Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
1 5861Post New General Science Questions
hai sir pls send me Appsc Assistant Statistical Officer(ASO) previous papers. And Apsrtc MST previous papers. Thanks you sir.
whate is the difference b/w aflatoxions&ocharatoxions
Explain the Evolution of Science as a discipline in the Medieval Period
When and where was the first experimental atomic explosion took place?
Explain the role of Science for sustainable Development
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Describe the evolution of science and its impact on society
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Why is ice wrapped in gunny sacks to prevent it from melting
What is the speed of arihant?
Name any two modern branches of Physical Science
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Terls was dedicated to u.n as an international institution?
