Choose the correct set of fat soluble vitamins:
I. A
II. D
III. E
IV. B

Q. In the case of noble gases, the following trend $Xe>Kr>Ar>Ne>He$ is correct for: i) boiling point ii) solubility in water iii) ionization enthalpy iv) ease of liquefaction.

Q. Match the following vitamins and minerals with their sources.
$\begin{array}{cccc}& Column-I& & Column-II\\ \left(i\right)& Amla& \left(a\right)& Calcium\\ \left(ii\right)& Carrot& \left(b\right)& Iodine\\ \left(iii\right)& Milk& \left(c\right)& VitaminC\\ \left(iv\right)& Salt& \left(d\right)& VitaminA\end{array}$

Q. Choose the correct statements from the folllowing.
(I) NaOH crystals are deliquescent in nature
(II) NaOH is corrosive in nature
(III) NaOH is soluble in water to give strong alkaline solution.
(IV) NaOH is soluble in water to give an acid solution.

Q. Study the following ststements regarding organic farming and select the correct ones.
(i) It utilities genetically modified crops like Bt cotton.
(ii) It uses only naturally produced inputs like compost and biofertilisers.
(iii) It does not use pesticides and urea.
(iv) It produces vegetables rich in vitamins and minerals.