Chemistry Fsc Part 2 Online Test With Answers

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Chemistry Fsc Part 2 Online Test

Sr. # Questions Answers Choice
1 An element that has a high ionization energy and tends to be chemically inactive would most likely to be An alkali metal A transition element A noble gas A halogen
2 Which halogen occurs naturally in a positive oxidation state. Fluorine Chlorine Bromine Iodine
3 Bleaching powder may be produced by passing chlorine over. Calcium carbonate Hydrated calcium sulphate Anhydrous calcium sulphate Calcium hydroxide
4 The anhydride of HCIO4 is CIO3 CIO2 Cl2O5 Cl2O7
5 Which halogen will react spontaneously with Au to produce Au3+ Br2 F2 I2 Cl2
6 Hydrogen bond is the strongest between the molecules of. HF HCl HBr HI
7 Chlorine heptoxide reacts with water to form Hypochlorous acid Chloric acid Perchloric acid Chlorine and oxygen
8 Which of the following hydrogen halide is the weakest acid in solution. HF HBr HI HCl
9 Which statement is incorrect about H2SO4 Dehydration agent dibasic acid Oxidizing agent Reducing agent
10 The reaction between Cu and conc. H2SO4 produces SO3 SO2 H2 Cu + ions
11 Most likely product formed when formic acid is dehydrated in the presence of conc. H2SO4 is. CO2 and H2O CO, CO2 and H2O CO2 and H2 CO and H2O
12 Arsenic impurities in contact process are removed. By prolong heating the gases By treatment with Fe(OH)3 In scrubbing tower In absorption tower
13 Which one of the following does not react with dilute sulphuric acid. Mg (OH)2 Mg MgO Mg(NO3)2
14 In pyrite burner, the gas produced is. SO3 SO2 CO2 NO
15 The composition of oleum is. H2SO4 H2S2O3 H2S2O7 H2S3O7
16 Sulphuric acid acts as dehydrating agent in its reaction with. Sodium chloride Potassium nitrate Copper Ethyl alcohol
17 The reaction between concentrated H2SO4 and glucose give carbon and water. In this reaction H2SO4 acts as. An acid An oxidising agent Dehydrating agent A reducing agent
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