Online NAT IM Pre Medical Chemistry Test Preparation for Pakistani Students

NAT I Medical Chemistry

Sr. #	Questions	Answers Choice
1	In a crystal a ≠ b ≠ c, a = γ = 90° and β ≠ 90°, it is	Monoclinic Rhombic Trigonal Tetragonal
2	Bragg's law is given by equation	n λ = 2 θ sin θ n λ = 2 d sin θ 2nλ = d sin θ nλ = 1/2 d sin θ
3	In crystal structure of sodium chloride the arrangement of CI^- ions is	Fee Both fee and bcc Bee None of these
4	Crystal can be classified in to basic crystal habits	7 4 14 3
5	Ionic solids with defects contain	Equal number of cation and anion vacancies Interstitial anions and anion vacancies Cation vacancies only Cation vacancies and interstitial cations
6	Which of the following is an example of body centred cube?	Magnesium Zinc Copper Sodium
7	The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as	Boyle's law Charle's law Avogadro's law Dalton's law
8	The vapour density of a gas is 11.2 The volume occupied by 11.2 g of this gas at N.T.P is	22.4 liters 11.2 liters 1 liter 2.24 liters