Chemistry The first metal used by a man was Copper Brass Silver Bronze Copper Brass Silver Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 10 2, 8, 8, 2 2, 10, 8 2, 6, 8, 4 2, 8, 10 2, 8, 8, 2 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Alcohols Ethers Aldehydes Esters Alcohols Ethers Aldehydes Esters ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ni Ti Fe Pb Ni Ti Fe Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to its high electro negativity strong F - F bond small size of fluorine atom availability of d-orbitals its high electro negativity strong F - F bond small size of fluorine atom availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Carbohydrate Protein Ester Hydrocarbon Carbohydrate Protein Ester Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS