Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 NO Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese Magnesium None of these Calcium Manganese Magnesium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature Glycerine and m-toluene Aniline and n-hexane Water and diethyl aniline Water and Phenol Glycerine and m-toluene Aniline and n-hexane Water and diethyl aniline Water and Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.21 0.01 1 0.78 0.21 0.01 1 0.78 ANSWER DOWNLOAD EXAMIANS APP
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