Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane oxygen helium ozone methane oxygen helium ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is graphite diamond coke charcoal graphite diamond coke charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Alcohol Carbon dioxide Sodium chloride Chlorine Alcohol Carbon dioxide Sodium chloride Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is O2 CH4 Ar Ar N2 N2 O2 CH4 Ar Ar N2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Copper, Zinc and Manganese Lead and Iron Calcium and Zinc Calcium and Magnesium Copper, Zinc and Manganese Lead and Iron Calcium and Zinc Calcium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Carbonic acid Acetic acid Formic acid Sulphuric acid Carbonic acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP