Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 0.01 mg/m3 5.0 mg/m3 0.001 mg/m3 1.0 mg/m3 0.01 mg/m3 5.0 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten iron Molten sand Molten alumina Molten calcium silicate Molten iron Molten sand Molten alumina Molten calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 17 19 18 16 17 19 18 16 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Chalk and graphite Limestone and clay Clay and graphite Limestone and graphite Chalk and graphite Limestone and clay Clay and graphite Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP