Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Dilute acid Liquid soap Detergent Ordinary soap Dilute acid Liquid soap Detergent Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in H2O (2) OF2 N2O C12O H2O (2) OF2 N2O C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
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