Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Teflon Diamond Graphite Napthalene Teflon Diamond Graphite Napthalene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Silicon Sodium Graphite Phosphorus Silicon Sodium Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate Gold nitrate Potassium aurocyanide Gold chloride Gold sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Iron Gas Carbon None of these Copper Sulphate Iron Gas Carbon None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A fungus An insect A bacterium A seed plant A fungus An insect A bacterium ANSWER DOWNLOAD EXAMIANS APP
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