Chemistry Which among the following is found in chlorophyll ? Fe2+ Ca2+ Mg2+ A l3+ Fe2+ Ca2+ Mg2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Oxidised in air Soluble in hyposolution Reduced by light Totally colourless Oxidised in air Soluble in hyposolution Reduced by light Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Bethe Bohr Fermi Anderson Bethe Bohr Fermi Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O Zn(OH)2 PbCl2 CuS CaCl2 Zn(OH)2 PbCl2 CuS CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Nothing can be predicted Less than 7 Equal to 7 More than 7 Nothing can be predicted Less than 7 Equal to 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP
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