Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 2, 8, 10 2, 8, 8, 2 2, 6, 8, 4 2, 10, 8 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Neoprene Vinyl Chloride Acetylene Isoprene Neoprene Vinyl Chloride Acetylene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 127 115 112 118 127 115 112 118 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Steam Petrol and oxygen Batteries Diesel Steam Petrol and oxygen Batteries Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a Metal Element None of these Mixture Metal Element None of these Mixture ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS