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