Chemistry Ultra purification of a metal is done by : Smelting Zone melting Slugging Leaching Smelting Zone melting Slugging Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Thorium Zinc Radium Plutonium Thorium Zinc Radium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Phosphate Arsenic Detergent Zinc Phosphate Arsenic Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Calcium Sodium Aluminium Silver Calcium Sodium Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Sodium Strontium Barium Calcium Sodium Strontium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
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