Chemistry In a Carbonyl group a carbon atom makes double bond with Hydrogen None of these Oxygen Carbon Hydrogen None of these Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 12 6 18 Zero 12 6 18 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Chlorine Iodine Flourine Bromine Chlorine Iodine Flourine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Phosgene Chlorine Methyl isocyanate Carbon monoxide Phosgene Chlorine Methyl isocyanate Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P3 P4 P1 P2 P3 P4 P1 P2 ANSWER DOWNLOAD EXAMIANS APP
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