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