A cubical vessel of height 1 m is full of water. What is the amount of work done in
pumping water out of the vessel ? (Take g = 10 m $S^2$)
The resistance across A and B in the figure below will be |
Answer |
Using the Gibbs energy changes, AG° = + 63.3 kJ for the following reaction, |
Answer |
Successive emission of an a-particle and two B-particles by an atom of a radioactive element results in the formation of its: |
Answer |
Which one of the following compounds has the most acidic nature? |
Answer |
Which one of the following bases is not present in DNA ? |
Answer |
Bithional is generally added to the soaps as an additive to function as a/an |
Answer |
Natural rubber has |
Answer |
The pyknometric density of sodium chloride crystal is 2.165x10^3 kg$m^{-3}$ while its X-ray density is 2.178x$10^3 kgm^{-3}$ ?. The fraction of unoccupied sites in sodium chloride crystal is |
Answer |
The pH of 0.1 M solution of the following salts increases in the order |
Answer |
Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy ? |
Answer |