Water is a good solvent of ionic salts because:
A). It has a high specific heat
B). It has no colour
C). It has a high dipole moment
D). It has a high boiling point
It has a high dipole moment
It has a high dipole moment.
3. In which of the following substances all carbon atoms are quaternary in nature ?
4. Watson and Crick composed the model of DNA structure in
5. Which one of the following blood pigments contains copper?
7. Which of the following is used in welding broken pieces of iron rails and machine parts?
8. An inert gas mixed with oxygen given to patients suffering from restricted breathing is
9. Water boils at a lower temperature on the hills because
10. Which one of the following elements is least likely to be found in commercial fertilisers?