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