Chemistry The monomer of polythene is ethyl alcohol vinyl chloride None of these ethylene ethyl alcohol vinyl chloride None of these ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 614C 818O 92235U 13H 614C 818O 92235U 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Hydrated chlorides Double nitrate Double sulphates Nitrates of aluminium Hydrated chlorides Double nitrate Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Lignite Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Veronal Nembutal Amytal Equanil Veronal Nembutal Amytal Equanil ANSWER DOWNLOAD EXAMIANS APP
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