ENTRANCE TEST – 2010 Multiple Questions and Answers.




6.Energy required to remove an electron from the outermost shell of its isolated gaseous atom in the ground state is
A. Electron affinity
B. Lattice energy
C. Ionization energy
D. Crystal energy

7.Which of the following carbonates of alkali metals is not stable towards heat and is decomposed on heating to its oxide along with liberation of CO2?
A. Li2CO3
B. Mg2CO3
C. K2CO3
D. Na2CO3

8.The presence of calcium is essential for the normal development of plants. An adequate supply of calcium appears to stimulate the development of which part of the plants?
A. Leaves
B. Fruits
C. Root hairs
D. Branches

9.Which of the following sulphates is not soluble in water?
A. Sodium Sulphate
B. Barium Sulphate
C. Potassium Sulphate
D. Zinc Sulphate

10.The trend in the densities of elements of Group III-A of the Periodic Table is
A. A gradual increase
B. A gradual decrease
C. First decrease then increase
D. First increase then decrease

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