Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Soda acid type None of these Foam type Powder type Soda acid type None of these Foam type ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of FeCO3 Fe2O3 3Fe2O3 .. 3H2O Fe3OH4 FeCO3 Fe2O3 3Fe2O3 .. 3H2O Fe3OH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 88 138 314 50 88 138 314 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? CFC emission Deforstation Carbondioxide emission Methane emission CFC emission Deforstation Carbondioxide emission Methane emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Uranium Mercury Thorium Polonium Uranium Mercury Thorium Polonium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS