Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead Ferrous sulphide Graphite Lead sulphide Lead Ferrous sulphide Graphite Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 4 Zero 8 –4 4 Zero 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Iron Gold Mercury Platinum Iron Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Salicylic acid Phthalic acid Terephthalic acid Benzoic Acid Salicylic acid Phthalic acid Terephthalic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Manganese Chromite Mica Bauxite Manganese Chromite Mica ANSWER DOWNLOAD EXAMIANS APP