Chemistry The lowest layer of earth's atmosphere is Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pt Pb Cu Ni Pt Pb Cu Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Democritus Robert Boyle Antoine Lavoisier John Dalton Democritus Robert Boyle Antoine Lavoisier ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can have any value above zero Will always be positive Can never be positive Cannot be negative Can have any value above zero Will always be positive Can never be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons The molecules in them collide very freely They contain reflecting surface The molecules in them are very close to each other They contain free electrons ANSWER DOWNLOAD EXAMIANS APP
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