Chemistry Copper is refined by Oxidation Electrolysis Zone refining Roasting Oxidation Electrolysis Zone refining Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Aluminium Copper Silver Zinc Aluminium Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Uranium Mercury Thorium Protactinium Uranium Mercury Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Bacillus subtilis Pseudomonas putida Saccharomyces cerevisiae Escherichia coli Bacillus subtilis Pseudomonas putida Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will May increase or decrease Remain the same Increase Decrease May increase or decrease Remain the same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Propane Butane Ethane Methane Propane Butane Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
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