Search For 中国 埃及 签证政策 2025

The total number of α particles, β particles emitted for the transformation of 232U --- 220 Ac and how many steps will take place for above transformation :

MCQ Question: "The total number of α particles, β particles emitted for the transformation of 232U --- 220 Ac and how many steps will take place for above transformation :"

Which of the following most favors a high lattice energy in ionic compounds ?

MCQ Question: "Which of the following most favors a high lattice energy in ionic compounds ? "

The rate of decomposition of certain compound in solution in first order. If the concentration of the compound is doubled, what happens to the reaction’s half-life?

MCQ Question: "The rate of decomposition of certain compound in solution in first order. If the concentration of the compound is doubled, what happens to the reaction’s half-life?"

Use the following data to calculate the molar enthalpy of combustion of ethane C2H6.

MCQ Question: "Use the following data to calculate the molar enthalpy of combustion of ethane C2H6."

Which of the complexes is expected to have lowest Δn value?

MCQ Question: " Which of the complexes is expected to have lowest Δn value? "

Fe(Co)4 is isolobal with

MCQ Question: "Fe(Co)4 is isolobal with "

Phase diagram of Sulphur is shown above. Which statement about this diagram is correct ?

MCQ Question: "Phase diagram of Sulphur is shown above. Which statement about this diagram is correct ?"

The electronic configuration of an elements is 1s^2, 2S^2, 2P^3. The ground state atomic term will be

MCQ Question: "The electronic configuration of an elements is 1s^2, 2S^2, 2P^3. The ground state atomic term will be "

What is coordination geometry on nickel in Ni(CO4)?

MCQ Question: "What is coordination geometry on nickel in Ni(CO4)? "

The vapour pressure of pure liquid solvent A is 0.80 atm. When a non volatile substance B is added to the solvent, its vapour pressure drops to 0.60 atm. What is the mole fraction of component B in solvent ?

MCQ Question: "The vapour pressure of pure liquid solvent A is 0.80 atm. When a non volatile substance B is added to the solvent, its vapour pressure drops to 0.60 atm. What is the mole fraction of component B in solvent ?"