Chemistry The purest form of water in nature is Sea water River water Lake water Rain water Sea water River water Lake water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Molten sodium chloride Aqueous brine solution Molten sodium carbonate Its cyanide complex Molten sodium chloride Aqueous brine solution Molten sodium carbonate Its cyanide complex ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 5 4 2 3 5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Lithium Fluorine Zinc Oxygen Lithium Fluorine Zinc Oxygen ANSWER DOWNLOAD EXAMIANS APP
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