Chemistry The third shell of an atom can have a maximum of ______ electrons 15 13 18 21 15 13 18 21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Gritty substances Oil and fatty substances Suspended solids Inorganic substances Gritty substances Oil and fatty substances Suspended solids Inorganic substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? CFC emission Carbondioxide emission Methane emission Deforstation CFC emission Carbondioxide emission Methane emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Copper Iron Gold Zinc Copper Iron Gold Zinc ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS