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Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
3 13009Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
3 16664Permanent 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 8037Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium
4 10590Rust 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 17991Among 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 3638Liquefied 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 13875Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen
3 11442Which of the following is in liquid form at room temperature? 1 Cerium 2 Sodium 3 Francium 4 Lithium
1 9799Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium
2 13357Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
1 5858Post New General Science Questions
When and where was the first experimental atomic explosion took place?
hai sir pls send me Appsc Assistant Statistical Officer(ASO) previous papers. And Apsrtc MST previous papers. Thanks you sir.
Why is ice wrapped in gunny sacks to prevent it from melting
Why capacitor is not allow dc ?? What the reason?
Who invented telescope?
Which scientist made detailed study on novae?
Which are the research centres of department of atomic energy?
Who was the first cosmonaut?
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
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Explain the Aesthetic and Moral values of Science
What is the significance of international geo - physical year?
What are pulsars?
When was the first rocket launched from thumba?
a private address 172.116.0.0 will borrow ? bits from the HOST to give one 120 subnets - range = ?
