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 x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. H2O NH4Cl SO2 SO3 H2O NH4Cl SO2 SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Sulphur Phosphorus Chlorine Oxygen Sulphur Phosphorus Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Remains unchanged Increases Decreases Does not follow a definite pattern Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C 3 1 2 A B C 2 3 1 A B C3 2 1 A B C 2 1 3 A B C 3 1 2 A B C 2 3 1 A B C3 2 1 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS