Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening CO, O2 and peroxy acetyl nitrate in the presence of Sunlight NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature High concentration of NO2, O3, and CO in the evening CO, O2 and peroxy acetyl nitrate in the presence of Sunlight NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Rectified spirit Power alcohol Denatured spirit Methylated alcohol Rectified spirit Power alcohol Denatured spirit Methylated alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c C and d A and b A and c B and c C and d A and b A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Iron Manganese Copper Bauxite Iron Manganese Copper Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Chalk and graphite Clay and graphite Limestone and clay Limestone and graphite Chalk and graphite Clay and graphite Limestone and clay Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
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