Chemistry The water pollution in river is measured by the dissolved amount of Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine Nitrogen 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 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 Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n2 n3 n n-2 n2 n3 n n-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons and electrons Protons and neutrons Protons Electrons Protons and electrons Protons and neutrons Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Phosphine Sulphur dioxide Freon Chlorine Phosphine Sulphur dioxide Freon Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? O2 H2 Cl2 SO2 O2 H2 Cl2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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