Chemistry The mineral containing both magnesium and calcium is dolomite magnesite carnallite calcite dolomite magnesite carnallite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Fe Zn Ag Ca Fe Zn Ag Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast Orissa coast Gujarat coast West Bengal coast Travancore coast Orissa coast Gujarat coast West Bengal coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is caffeine nicotine aspirin chlorophyll caffeine nicotine aspirin chlorophyll ANSWER DOWNLOAD EXAMIANS APP