Chemistry Philosopher’s Wool is Zinc oxide Zinc sulphate Zinc blende Zinc carbonate Zinc oxide Zinc sulphate Zinc blende Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Pseudomonas putida Escherichia coli Saccharomyces cerevisiae Bacillus subtilis Pseudomonas putida Escherichia coli Saccharomyces cerevisiae Bacillus subtilis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Ferrous sulphide Graphite Lead Lead sulphide Ferrous sulphide Graphite Lead Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid 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
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