Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Eutrophication Acidity Hardness Alkalinity Eutrophication Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same First increases and then decreases Increases Decreases Remains the same First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Aqueous brine solution Molten sodium chloride Molten sodium carbonate Its cyanide complex Aqueous brine solution Molten sodium chloride Molten sodium carbonate Its cyanide complex ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1023 6.023 × 1022 6.023 × 1024 6.023 × 1025 6.023 × 1023 6.023 × 1022 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime ANSWER DOWNLOAD EXAMIANS APP