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	When concentrated H2SO4 and solid sodium chloride react together at room temperature the product are.	Two salts only A salt and a base A salt and an acid A salt and water
2	Chemical formula of stibnite on.	BaSO4 Sb2S3 FeS2 ZnS
3	The element which is present in earth crust about 50% is	Oxygen sulphur Carbon Nitrogen
4	Role of H2S in the given chemical reaction is H2S + I2--------------- 2HI+S	Oxidising agent Reducing agent Dehydrating agent As an acid
5	An element has oxidation state -2, +4, +6 in its compounds. In which group in the periodic table is this element likely to be.	Grooup III A Group IV A Group V A Group VI A
6	Which one of the following group of Periodic table called chalcogen family.	Group III A Group VA Group VI A Group VII A
7	Which one is metaphosphoric acid	HPO3 H3PO3 H3PO4 H4P2O7
8	In which substance phosphorus is not present.	Yolk of egg Bones Apatite Galena
9	What are the number of the electrons in valence shell of P in PCl3	4 6 8 10
10	In aqua regia, the ratio of conc. HCl to Conc. HNO3 is	1 : 1 2 :1 1:2 3 : 1
11	Which allotrope of phosphorus has layers like graphite.	white phosphorus Red phosphorus Black Phosphorus Amorphous phosphorus
12	Basicity of ortho phosphoric acid is.	1 2 3 4
13	PCl3 reacts with water to form	PH3 POCl3 H3PO4 H3PO5
14	Each of the following is true for white and red phosphorus except one.	Both are soluble in CCl4 Both can be oxidized by heating in air Both consists of same kind of atoms Both can be converted into each other
15	P2O5 is usually used as	Drying agent only Reducing agent Both drying and reducing agent Both drying agent and oxidizing agent.
16	Which form of phosphorus is more stable.	White Red Black Both a and b
17	Bone ash contain calcium phosphate	40% 50% 70% 80%

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