Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Batteries Diesel Petrol and oxygen Steam Batteries Diesel Petrol and oxygen Steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Assimilation of nitrate Utilisation of nitrogen gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Aluminium powder White lead Lead powder Silver powder Aluminium powder White lead Lead powder Silver powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Calamine Bauxite Haematite Chalcopyrites Calamine Bauxite Haematite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature ANSWER DOWNLOAD EXAMIANS APP
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