Write two characteristics of Science.
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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Diamond 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
Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide
Arihant was commissioned on which day?
Which isotope of Uranium is capable of sustaining chain reaction ?
When did the most luminous nova appear?
The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
Find the odd one: 1 Marble 2 Chalk 3 Limestone 4 Slaked lime
Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red
abbrivation for ROA in oracle?
Which are the units of functioning in vssc?
Which was the international geo - physical year?