Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) N2O C12O OF2 H2O (2) N2O C12O ANSWER DOWNLOAD EXAMIANS APP
Chemistry A fertile soil is likely to have a pH of 9 14 3 43989 9 14 3 43989 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb W Pt Os Pb W Pt Os ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Positive Depends on whether the reaction is exothermic or endothermic Negative Zero Positive Depends on whether the reaction is exothermic or endothermic Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 H2 CH4 CO2 N2 H2 CH4 CO2 ANSWER DOWNLOAD EXAMIANS APP