Fsc Part 2 Chemistry Online Test-Chapter 1 Periodic Classification of Elements and Periodicity

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Sr.#	Question	Answer
1	Who gave the law of Triads in 1829?	A. Dobereiner B. Mosely C. Newland D. Mendeleev
2	Element of which group reacts with hydrogen and form ionic hydrides.	A. II A B. IV A C. V A D. VI A
3	Mark the incorrect statement	A. Metallic character increase down the group B. Metallic character increase from left to right along a period C. Metallic character decrease from left to right along a period D. Metallic character remains the same down the group
4	In which group of periodic table is the element which has atomic number 14.	A. II B. IV C. III D. VI
5	The basis of modern periodic table is	A. Electron affinity B. Atomic mass C. Ionization Potential D. Atomic number
6	What criteria did Mendeleev use in arranging his periodic table.	A. Atomic mass B. Atomic number C. Mass number D. Density
7	Which element when react with chlorine form polymeric halide.	A. Na B. Be C. Ba D. P
8	Which one of the following elements has the largest second ionization energy.	A. O B. Na C. F D. Ne
9	Mark the correct statement.	A. Na+ is smaller than Na atom B. Na+ is large than Na atom C. Cl- is smaller than Cl atom D. cl- and Cl are equal in size
10	Which one of the following elements burns in air to form an oxide which, when shaken with water, give sa solution with a pH greater than 7.	A. Carbon B. Magnesium C. sulphur D. Hydrogen