PPSC Chemistry Part III Inorganic Chemistry Online Test With Answers

image
image
image

PPSC Chemistry Part III Inorganic Chemistry Online Test

Sr. # Questions Answers Choice
1 O2 molecule is. Fermagnetic Forromagnetic Paramagnetic Diamagnetic
2 Black and white photographic film contain small grains of. Silver bromide Silver cholride Silver iodide Any of above
3 Perdisulphuric acid is. Marshal acid Caro acid None of above Any of above
4 H2SO4 is used In the preparation of aqua regia In the purification of gold and silver In the dental filling None of above
5 The specific gravity of H2SO4 is 1.37 1.84 1.17 1.57
6 The contact process is mainly used when acid is required for the manufactures of. Explosives Fine chemicals Lead accumulators All above
7 The H2SO4 obtained by the contact process having purity 70% 74% 78% 82%
8 Gases and dust particles are removed from H2SO4 by Tydal effect Drying tower Absorption tower Contact converter
9 The commonly used catalyst in the manufacture of H2SO4 Fe2O3 with a little CuO v2O5 Platinized asbestos and MgSO4 All above
10 H2SO4 is manufactured by The lead chamber process The contact process Both A and B The Ostwald's process
11 H2SO4 acts as gent Reducing Oxidizing Both A and B None of above
12 A thionic acid H2S2O3 H2S2O6 H2S2O8 H2S2O7
13 Is a peroxy acid H2SO5 H2S2O6 H2SO4 H2S2O7
14 SO3 exists in form a -so3 b-SO3 gama SO3 All above
15 The structure of SO2 is Linear Angular V-shaped Planner
16 SO2 acts as Lewis base Lewis acid Botha A and B None of above
17 The formula of sulphur sesquioxide SO4 S2O7 S2O3 SO3
18 Molecule of oxygen is Diamagnetic Paramagnetic Both A and B None of above
19 Oxygen and sulphur exist in state Free Combined <sub>Both free &amp; combined</sub> None of above
20 Electronegativity of oxygen is. 2,5 3,5 2,4 2.1
Download This Set

Is this page helpful?

×