Chemistry The first metal used by a man was Copper Silver Brass Bronze Copper Silver Brass Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Hardness Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Nitrogen Fluorine Oxygen Neon Nitrogen Fluorine Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Citric acid Acetic acid Oxalic acid Hydrochloric acid Citric acid Acetic acid Oxalic acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Composting Bricketting Incineration Land filling Composting Bricketting Incineration Land filling ANSWER DOWNLOAD EXAMIANS APP
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