Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S Fungicide SO2 H2SO4 H2S Fungicide SO2 H2SO4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS