Chemistry The smog is essentially caused by the presence of Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Acidic property Oxidising property Reducing property Basic property Acidic property Oxidising property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese Magnesium None of these Calcium Manganese Magnesium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Calcium Sodium Barium Strontium Calcium Sodium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Phosphate Arsenic Zinc Detergent Phosphate Arsenic Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In making tooth paste In paper industry As purgative In softening water In making tooth paste In paper industry As purgative In softening water ANSWER DOWNLOAD EXAMIANS APP
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