Chemistry The element used for making solar cells is Silicon Magnesium Calcium Sodium Silicon Magnesium Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Dolomite Peat Bituminous Lignite Dolomite Peat Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene Free radical ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Ozone Sulphuric acid Nitric acid Carbon monoxide Ozone Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
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