Fsc Part 2 Chemistry Online Test-Chapter 3 Group IIIA and Group IVA Elements | ilmkidunya

Chemistry Fsc Part 2 Chapter 3 Online Test

Sr. #	Questions	Answers Choice
1	In which compound, the oxidation state of boron in not +3	H2BO3 Ca2B2O11 Na2B4O7 Mg3B2
2	Ethyl alcohol on reacting with orthoboric acid form	Ethyl borate Boric acid Boron acetate Borax
3	Boric acid is used as eye wash due to its	Weakly acidic property Antiseptic nature Antibiotic nature Weakly basic properties
4	Boron usually exist in nature as	Borides Oxborates Free element It is a artificial element
5	Third abundant element on earth crust is.	Boron Oxygen Aluminium Silicon
6	Which one of the following elements exhibits s-inert pair effect.	B Al Pb Sc
7	Which one of the followings is not ore of aluminium	Coruridum Bauxite Colemanite Kaolin
8	Corundum is	Al2O3 Na2AlF6 Quartz Calcium
9	Tincal is a mineral of.	Al B Si C
10	Which of the following elements is not present abundantly in earth's crust.	Silicon Aluminium Sodium Oxygen
11	Boric acid can not be used.	As antiseptic in medicine For washing eyes In soda bottle For enamels and glazes
12	Which element among the following belongs to Group IV A of the Periodic table.	Barium Iodine Lead Oxygen
13	Which element forms on ion wiht charge 3+	Beryllium Aluminium Carbon silicon
14	Aluminium oxide is.	Acidic oxide Basic oxide Amphoteric oxide None of these
15	Which metal is used in the thermite process because of its activity.	Iron Copper Aluminium Zinc
16	Which of the following elements is not present abundantly in earth's crust	Silicon Aluminium Sodium Oxygen
17	Which electronic configuration corresponds to an element of group III-A of the Periodic Table	1s<sup>2</sup>,2s<sup>2</sup>,2p<sup>6</sup>,3s<sup>2</sup>,3p<sup>1</sup> 1s<sup>2</sup>,2s<sup>2</sup>,2p<sup>6</sup>,3s<sup>2</sup>,3p<sup>6</sup>,4s<sup>6</sup> 1s<sup>2</sup>,2s<sup>2</sup>,2p<sup>6</sup> 1s<sup>2</sup>,2s<sup>2</sup>,3s<sup>2</sup>,3p<sup>3</sup>

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