Chemistry Oxygen has (+) oxidation number only in C12O N2O OF2 H2O (2) C12O N2O OF2 H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is dolomite magnesite carnallite calcite dolomite magnesite carnallite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Solvent Adsorbent Absorbent Coagulant Solvent Adsorbent Absorbent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Barium Calcium Sodium Strontium Barium Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Argon Hydrogen Neon Helium Argon Hydrogen Neon Helium ANSWER DOWNLOAD EXAMIANS APP
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