12th Class FSc Part 2 Chemistry Chapter Wise Online MCQ Test With Answer PDF

Chemistry Fsc Part 2 Online Test

Sr. #	Questions	Answers Choice
1	Litharge is chemically	PbO PbO2 Pb3O4 Pb(CH3COO)2
2	The composition of white lead is	PbCO3.Ph(OH)2 PbCO3.2Pb(OH)2 2PbCO3.Pb(OH)2 PbCO3
3	Which one of the following compounds of lead is red in colour	PbO Pb2O Pb3O4 PbCO3
4	Which substance is water repellant and used in ceramic insulators.	Asbestos Lead compounds Silicon carbide silicones
5	silicones are	Some salts of sodium Allotropes of SI Inorganic polymers Coloured compounds of Si
6	The shape of SiO2 IS	Tetrahedral Trigonal bipyramid Linear Cubic
7	In which substance silicon is not present.	Talc Asbestos Dolomite Zirocon
8	Which are correct oxidation states for lead	+1, +2 +3 , +5 +2 ,+4 +4 only
9	Aluminium is used for making petrol and milk storage tanks because it is	Conductor Non magnetic Excellent reflected Corrosion resistant
10	Which element burns in nitrogen atmosphere to form nitride.	Mg Al Both a and b None of these
11	Al reacts with caustic soda to form	Sodium aluminates Aluminium hydroxide Aluminium oxide sodium tetra aluminate
12	Aluminium does not corrode because.	It is a semi metal It is a silver shining metal It does not react with O2 It forms a protective layer of Al2O3
13	Ortho boric acid on strong beating gives.	Borax Boron oxide Metaboric acid Tetraboric acid
14	Which is not used of Borax	Softening of water As medicine for washing eyes As flux in metallurgical operations To make quartz
15	A solution of borax in water is.	Acidic Alkaline Neutral None of these
16	In which compound, the oxidation state of boron in not +3	H2BO3 Ca2B2O11 Na2B4O7 Mg3B2
17	Ethyl alcohol on reacting with orthoboric acid form	Ethyl borate Boric acid Boron acetate Borax

Download This Set