Chemistry The compound to which H2 does not add is Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 92235U 818O 614C 13H 92235U 818O 614C 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methane Acetic acid Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not an anasthetic agent in surgical operations? Nitrous oxide Chloroform Acetone Ether Nitrous oxide Chloroform Acetone Ether ANSWER DOWNLOAD EXAMIANS APP
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