Chemistry In galvanization, iron is coated with Copper Zinc Nickel Tin Copper Zinc Nickel Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Increasing Decreasing Constant Zero Increasing Decreasing Constant Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
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