Chemistry Galvanised iron is made by coating iron with Chromium Zinc Nickel Sulphur Chromium Zinc Nickel Sulphur 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 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 Higher rate of photosynthesis Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog SO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is Ar Ar O2 N2 N2 CH4 Ar Ar O2 N2 N2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Phthalic acid Cinnamic acid Benzoic acid Oxalic acid Phthalic acid Cinnamic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
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