Chemistry The most suitable unit for expressing nuclear radius is : Nanometre Fermi Micron Angstrom Nanometre Fermi Micron Angstrom 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 = K2 K1 = 2K2 K 1 = 1 /K2 K1 = K2/2 K1 = K2 K1 = 2K2 K 1 = 1 /K2 K1 = K2/2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Ostwald Arrhenius Faraday Lewis Ostwald Arrhenius Faraday Lewis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1020 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1020 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.21 1 0.01 0.78 0.21 1 0.01 0.78 ANSWER DOWNLOAD EXAMIANS APP