Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? Ag S P Na Ag S P Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Emulsion Dialysis Coagulation Solvation Emulsion Dialysis Coagulation Solvation ANSWER DOWNLOAD EXAMIANS APP
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