Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Strontium Barium Sodium Calcium Strontium Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to iso-octane 2-methyl octane n-heptane 3-methyl octane iso-octane 2-methyl octane n-heptane 3-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high density presence of free electrons its chemical inertness its high polishing its high density presence of free electrons its chemical inertness its high polishing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities Higher atomic masses Higher atomic numbers Higher atomic radii Higher densities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Solid dispresed in liquid Gas dispersed in gas Gas dispresed in solid Solid dispersed in gas Solid dispresed in liquid Gas dispersed in gas Gas dispresed in solid Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
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