Chemistry What is the chemical symbol of mercury Mg Mr Hg None of these Mg Mr Hg None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Methane and ethylene Butane and propane Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Methane and ethylene Butane and propane Carbon monoxide and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Tranquillizer Mental stimulant Sedative Hallucinating substance Tranquillizer Mental stimulant Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.201 0.158 0.273 0.323 0.201 0.158 0.273 ANSWER DOWNLOAD EXAMIANS APP