Chemistry The elements in the modern Periodic table are arranged according to their Mass number Neutron number Atomic Weight Atomic number Mass number Neutron number Atomic Weight Atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer John Dalton Dmitri Mendeleev Henry Moseley Julius Lothar Meyer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Plutonium Zinc Thorium Radium Plutonium Zinc Thorium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Tear Gas Anaesthetic Gas Laughing Gas Noble Gas Tear Gas Anaesthetic Gas Laughing Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO Hydrocarbons NO CO2 CO Hydrocarbons NO CO2 ANSWER DOWNLOAD EXAMIANS APP