Online NAT IM Pre Medical Chemistry Test Preparation for Pakistani Students

NAT I Medical Chemistry

Sr. #	Questions	Answers Choice
1	Which of the following alkali metal hydroxides is the strongest base?	LiOH NaOH KOH CaOH
2	The formula of nitre is	KNO<sub>3</sub> NaNO<sub>3</sub> NaCI Na<sub>2</sub>CO<sub>3</sub>
3	Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of	Easy diffusion of Li<sup>+</sup> ions Lower ability of Li<sup>+</sup> ions to polarize water molecules Lowest charge to radius ratio Higher degree of hydration of Li<sup>+</sup> ions.
4	Sodium metal cannot be stored under	Benzene Kerosene oil Alcohol Toluene
5	Chile salt petre is	NaNO<sub>3</sub> Na<sub>2</sub>SO<sub>4</sub> KNO<sub>3</sub> Na<sub>2</sub>S<sub>2</sub>O<sub>3</sub>
6	Causticisation process is used for the preparation of	Caustic soda Caustic potash Baryata solution Slaked lime
7	Which of the following imparts violet colouration to the non-luiminous flame of Bunsen burner?	NaCI BaCI<sub>2</sub> CaCI<sub>2</sub> KCI
8	Leblanc process is employed in the manufacture of	Baking soda Washing soda Potash Plaster of paris