Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Carbon di-oxide Ethane Methane Carbon monoxide Carbon di-oxide Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Dalton Avogadro Newton Pascal Dalton Avogadro Newton Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes Lowering of pH of soil Depletion of fossil fuel reserves Industrial smog formation Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 12600 kJ/kg 47000 kJ/kg 39400 kJ/kg 14600 kJ/kg 12600 kJ/kg 47000 kJ/kg 39400 kJ/kg 14600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and tin Copper and zinc Lead and antimony Copper and tin Lead and tin Copper and zinc Lead and antimony Copper and tin ANSWER DOWNLOAD EXAMIANS APP
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