Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission CFC emission Deforstation Carbondioxide emission Methane emission CFC emission Deforstation Carbondioxide emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Ethylamine Diethylamine Ammonia Triethylamine Ethylamine Diethylamine Ammonia Triethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Methane Carbon dioxide Butane Isobutane Methane Carbon dioxide Butane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Petroleum Coal Firewood Natural Gas Petroleum Coal Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Sodium Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Silane Silicon tetrachloride Tetraalkyl silane Dialkyl dichloro silane Silane Silicon tetrachloride Tetraalkyl silane Dialkyl dichloro silane ANSWER DOWNLOAD EXAMIANS APP
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