Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? N 2 O2 H2 He N 2 O2 H2 He ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Gas Carbon Iron None of these Copper Sulphate Gas Carbon Iron None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Sulphur dioxide Carbon dioxide Methane None of these Sulphur dioxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mo W Mg Mn Mo W Mg Mn ANSWER DOWNLOAD EXAMIANS APP