Chemistry The purest form of water in nature is Sea water Rain water Lake water River water Sea water Rain water Lake water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/8 1/3 1/4 1/6 1/8 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : Liquid Highly volatile Transparent A good conductor Liquid Highly volatile Transparent A good conductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Transportation Fuel combustion Solid waste disposal Industrial process Transportation Fuel combustion Solid waste disposal Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Air Iron Carbon–dioxide Brass Air Iron Carbon–dioxide Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Troposphere Exosphere Ionosphere Stratosphere Troposphere Exosphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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