Chemistry Which one is the lightest element in the periodic table Helium Carbon Oxygen Hydrogen Helium Carbon Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Proton Alpha particles Beta particles Positron Proton Alpha particles Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of paper Burning of coal Digestion of food Conversion of water into steam Burning of paper Burning of coal Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbene Carbocation Carbanion Free radical Carbene Carbocation Carbanion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Tin and lead Zinc and lead Copper and iron Carbon and tin Tin and lead Zinc and lead Copper and iron Carbon and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High polish High density, due to closed packing of atoms Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP