Chemistry Which one of the following is known as the 'brown coal'? Lignite Anthracite Coke Bituminous Lignite Anthracite Coke Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Smog Green house effect Eutrophication None of these Smog Green house effect Eutrophication None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Gold Platinum Mercury Iron Gold Platinum Mercury Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Bauxite Fluorspar Hematite Chalco pyrites Bauxite Fluorspar Hematite Chalco pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Ethylene Methyl Alcohol Acetic Acid Ethyl Alcohol Ethylene Methyl Alcohol Acetic Acid Ethyl Alcohol ANSWER DOWNLOAD EXAMIANS APP