Chemistry Which of the following is not a precious/semi-precious stone? Pearl Sapphire Ruby Emerald Pearl Sapphire Ruby Emerald ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Smelting Zone melting Slugging Leaching Smelting Zone melting Slugging Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethanol Ethane Chloropicrin Ether Ethanol Ethane Chloropicrin Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Samuel Cohen J. Robert Oppen Heimer Wernher Von Braun Edward Teller Samuel Cohen J. Robert Oppen Heimer Wernher Von Braun Edward Teller ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 0.02 3-5% 10-15% 7-9% 0.02 3-5% 10-15% ANSWER DOWNLOAD EXAMIANS APP
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