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

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Sr.#	Question	Answer
1	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
2	The first ionization energy of Na, Mg, Al and Si are in theorder of.	A. Na < Mg < Al < Si B. Na > Mg> Al> Si C. Na > Mg< Al< Si D. Na< Mg> Al< Si
3	Which hydride is intermediate in nature.	A. NaH B. BeH2 C. NH3 D. HCl
4	In which compound, oxidation state of sulphur is +6	A. H2S B. H2SO4 C. H2SO3 D. SO3
5	Which statement is incorrect.	A. All the metals are good conductors of electricity B. All the metals are good conductor of heat C. All the metal form positive ions D. All the metal form acidic oxides
6	The concept of atomic number was introduced by	A. Alrazi B. Mendeleeve C. Moseley D. Dobereiner
7	Hydrogen resembles in properties with	A. IA, IV A and VII A elements B. III A, IV A and V A elements C. II A, IV A and VI A elements D. II A, III A and VII A elements
8	Which has greater hydration energy.	A. Li+ B. Na+ C. K+ D. Mg+2
9	Which one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7.	A. Carbon B. Magnesium C. sulphur D. Hydrogen
10	Which of the following element has lowest ionization energy	A. Beryllium B. Boron C. Carbon D. Oxygen