Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier John Dalton Robert Boyle Democritus Antoine Lavoisier John Dalton Robert Boyle Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true and R is the correct explanation of A A is true but R is false Both A and R is true but R is not a correct explanation of A A is false but R is true Both A and R is true and R is the correct explanation of A A is true but R is false Both A and R is true but R is not a correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is haematite bauxite monazite magnetite haematite bauxite monazite magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who first published the periodic table Julius Lothar Meyer Dmitri Mendeleev Henry Moseley John Dalton Julius Lothar Meyer Dmitri Mendeleev Henry Moseley John Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Addition Oxidation Elimination Substitution Addition Oxidation Elimination Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Bicarbonate Sodium Sodium Chloride Sodium Oxide Sodium Bicarbonate Sodium Sodium Chloride Sodium Oxide ANSWER DOWNLOAD EXAMIANS APP