Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Oxidised in air Totally colourless Reduced by light Soluble in hyposolution Oxidised in air Totally colourless Reduced by light ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Free energy Activation energy Internal energy Threshold energy Free energy Activation energy Internal energy Threshold energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Bleach Alum Activated carbon Deactivated nitrogen Bleach Alum Activated carbon Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene vinyl chloride ethyl alcohol None of these ethylene vinyl chloride ethyl alcohol None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 ANSWER DOWNLOAD EXAMIANS APP
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