Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 138 88 50 314 138 88 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Erythrocyte Spermatozoan Oocyte Lymphocyte Erythrocyte Spermatozoan Oocyte Lymphocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c B and c C and d A and b A and c B and c C and d A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 H2 CH4 N2 CO2 H2 CH4 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Henry Moseley Dmitri Mendeleev Julius Lothar Meyer John Dalton Henry Moseley Dmitri Mendeleev Julius Lothar Meyer John Dalton ANSWER DOWNLOAD EXAMIANS APP
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