Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by RNA molecules nucleotides DNA molecules enzymes RNA molecules nucleotides DNA molecules enzymes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Nylon 66 Bakelite Tollen's Terylene Nylon 66 Bakelite Tollen's Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper D.T. Plastic Aluminium Paper D.T. Plastic Aluminium ANSWER DOWNLOAD EXAMIANS APP
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