Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x x/6 5x/36 5x 7.2 x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Vinyl chloride Styrene Propane Acetylene Vinyl chloride Styrene Propane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d B and c A and c A and b C and d B and c A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons and protons Neutrons Electrons Protons Neutrons and protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = 2K2 K1 = K2/2 K1 = K2 K 1 = 1 /K2 K1 = 2K2 K1 = K2/2 K1 = K2 K 1 = 1 /K2 ANSWER DOWNLOAD EXAMIANS APP