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	Which substance is used to lower the melting point of NaCl in Down's cell	CaCO3 CaCl2 MgSO4 AlCl3
2	In Down's cell anode is made up of.	Iron Copper Graphite Platinum
3	Sodium is collected over molten sodium chloride in Down's cell, because.	It does not react with NaCl It is lighter in weight and floats on molten NaCl Its reactivity is greater than NaCl None of these
4	Which is insoluble in water.	BeSO4 MgSO4 CaSO4 BaSO4
5	Which is called milk of magnesia.	MgCO3 Mg(OH)2 MgSO4 MgCl2
6	Which oxide is amphoteric in nature.	BeO MgO CaO BaO
7	Which on eof the following alkaline earth metal form peroxide when heated with oxygen at 600 ^oC	Magnesium Calcium Strontium Barium
8	Which one of the following elements has the same oxidation number in all its known compounds.	Beryllium Nitrogen Sulphur Chorine
9	Setting of Plaster of Paris is accompanied with	Hydrogen bonding Hydration Dehydration None of these
10	Which element reacts with alkali and H2 gas is produced.	Be Mg Ca Sr
11	Oxides of alkaline earth metal are	Acidic Basic Neutral Amphoteric
12	Oxide of Alkaline earth metal are	Acid Basic Neutral Amphoteric
13	When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is.	COCl2 H2CO3 CaO CaCO3
14	Magnesium metal does not burn in the jar of	N2 O2 Ne N2 and O2
15	Which element reacts with carbon to form metal carbide.	Li Na K All of these
16	The crystals of caustic soda, NaOH, are hygroscopic when these crystals are exposed to air.	Gain water and remains solid Gain water and becomes liquid Lose mass and remain solid Remain unchanged on heating.
17	Which gas is evolved when CO2 is passed through KO2.	O2 CO O3 None of these

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