Chemistry Gobar gas contains mainly : Acetylene Ethylene Propylene Methane Acetylene Ethylene Propylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cadmium Chromium Copper Cobalt Cadmium Chromium Copper Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is pure It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless Its refractive index is high ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Calcium Lead Iron Gold Calcium Lead Iron Gold ANSWER DOWNLOAD EXAMIANS APP
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