Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Hydrated chlorides Nitrates of aluminium Double nitrate Double sulphates Hydrated chlorides Nitrates of aluminium Double nitrate Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Antimalarial Antibiotic Anaesthetic Analgesic Antimalarial Antibiotic Anaesthetic Analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Peat Bituminous Anthracite Lignite Peat Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Landfills Incineration Pyrolysis and Gasification All listed here Landfills Incineration Pyrolysis and Gasification All listed here ANSWER DOWNLOAD EXAMIANS APP
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