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	Which element form an ion with charge +3	Beryllium Aluminum Carbon Sillicon
2	Chemical composition of colemanite is	Ca<sub>2</sub>B<sub>6</sub>O<sub>11</sub>. 5H<sub>2</sub>O CaB<sub>4</sub>O<sub>7</sub>. 4H<sub>2</sub>O Na<sub>2</sub>B<sub>4</sub>O<sub>7</sub>.4H<sub>2</sub>O CaNaB<sub>5</sub>O<sub>9</sub>. 8H<sub>2</sub>O
3	Aluminum oxide is	acidic oxide basic oxide amphoteric oxide none of these
4	Which one of following is used in cosmetics	Talc Asbestos Sodium sulphate Aluminium Sulphate
5	------------- metal is used in the Thermite process because of its reactivity	Tron Copper Aluminium Zinc
6	--------------- element forms an ion with charge 3⁺	Beryllium Aluminium Carbon Silicon
7	Aluminium oxide is	Acidic oxide Baric oxide Amphoteric oxide None of these
8	Aluminum reacts with nitrogen to form	AIN Al<sub>2</sub>N Al<sub>2</sub>N<sub>3</sub> Al<sub>4</sub>N<sub>6</sub>
9	Boric acid cannot be used	As antiseptic in medicine For washing eyes In soda bottles For Enamals and Glazes
10	Which is used in the leather industry	Borax Boric acid Boric oxide Tetra Boric acid
11	The aqueous solution of Borax	Acidic alkaline Amphoteric manual
12	Kaolin is a mineral of	Carbon Magnesium Silicon Aluminium
13	Tincal is a mineral of	Al C Si B
14	The chief of aluminum is	Na<sub>3</sub>AlF<sub>6</sub> Al<sub>2</sub>O<sub>3</sub>.2H<sub>2</sub>O Al<sub>2</sub>O<sub>3</sub> Al<sub>2</sub>O<sub>3</sub>.H<sub>2</sub>O

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