Chemistry Most poisonous pollutant in water is Zinc Phosphate Detergent Arsenic Zinc Phosphate Detergent Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, zinc, nickel Copper, silver, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, zinc, nickel Copper, silver, nickel Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? SO2 NO CO PAN SO2 NO CO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Platinum Lead Coal Tin Platinum Lead Coal Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Bakelite Nylon Melamine Decron Bakelite Nylon Melamine Decron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium nitrite Sodium nitrate Sodium bicarbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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