Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard Its refractive index is high It is colourless It is pure It is hard Its refractive index is high It is colourless It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? High speed steel Cast iron Wrought iron Stainless steel High speed steel Cast iron Wrought iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Diamond Lamp black Graphite Coke Diamond Lamp black Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 200 km 150 km 100 km 300 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Petrol Alcohol Oxalic acid H2O2 Petrol Alcohol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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