Chemistry Number of neutrons in an atom of hydrogen is Two Zero One Three Two Zero One Three ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Wool wax Coal tar Petroleum Plant gums Wool wax Coal tar Petroleum Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n-2 n n3 n2 n-2 n n3 n2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Increases Decreases Remains the same First increases and then decreases Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : None of the options Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers Hydrogen sulphide Aluminium sulphide Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP