Chemistry Atoms having the same number of protons but different number of neutrons are called : Isotopes Anions Cations Higgs-boson Isotopes Anions Cations Higgs-boson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Magnesium and Tin Manganese and Magnesium Aluminium and Zinc Aluminium and Magnesium Magnesium and Tin Manganese and Magnesium Aluminium and Zinc Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Solid waste disposal Fuel combustion Transportation Industrial process Solid waste disposal Fuel combustion Transportation Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Silicon Oxygen Magnesium Iron Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP