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