Chemistry Fsc Part 2 Chapter 4 Online Test With Answers

Chemistry Fsc Part 2 Chapter 4 Online Test

Sr. # Questions Answers Choice
1 Which statement is incorrect about H2SO4 Dehydration agent dibasic acid Oxidizing agent Reducing agent
2 The reaction between Cu and conc. H2SO4 produces SO3 SO2 H2 Cu + ions
3 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
4 Arsenic impurities in contact process are removed. By prolong heating the gases By treatment with Fe(OH)3 In scrubbing tower In absorption tower
5 Which one of the following does not react with dilute sulphuric acid. Mg (OH)2 Mg MgO Mg(NO3)2
6 In pyrite burner, the gas produced is. SO3 SO2 CO2 NO
7 The composition of oleum is. H2SO4 H2S2O3 H2S2O7 H2S3O7
8 Sulphuric acid acts as dehydrating agent in its reaction with. Sodium chloride Potassium nitrate Copper Ethyl alcohol
9 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
10 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
11 Chemical formula of stibnite on. BaSO4 Sb2S3 FeS2 ZnS
12 The element which is present in earth crust about 50% is Oxygen sulphur Carbon Nitrogen
13 Role of H2S in the given chemical reaction is H2S + I2--------------- 2HI+S Oxidising agent Reducing agent Dehydrating agent As an acid
14 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
15 Which one of the following group of Periodic table called chalcogen family. Group III A Group VA Group VI A Group VII A
16 Which one is metaphosphoric acid HPO3 H3PO3 H3PO4 H4P2O7
17 In which substance phosphorus is not present. Yolk of egg Bones Apatite Galena
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