PPSC Chemistry Part III Inorganic Chemistry Online Test With Answers

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PPSC Chemistry Part III Inorganic Chemistry Online Test

Sr. # Questions Answers Choice
1 iodine is used as Tincture of iodine Iodex and antiseptic Treatment of goiter All above
2 Iodine is a grey black solid and its vapours are in color Grey Black Yellow Violet
3 Bromine is used as Fungicides Herbicides Germicides Insecticides
4 Bromine is soluble in Alcohol Water Chloroform All above
5 The vapours attacks the eyes and mucous membrane of nose and throat F Cl I Br
6 The bromine produced on commercial scale may contain impurities of. Water Chloride iodine All above
7 Chlorine is used in Sterilizatin of water Extractionof gold Bleaching of cotton All above
8 Used for sterilizationof drinking water F Br Cl I
9 Greenish yellow gas with pungent irritating odour Chlorine Fluorine Iodine Bromine
10 On industrial scale chlorine is prepared by Dennis method Deacon's process Plantner's process Aludels process
11 The electrolytic method super passes all other methods due to. Furity Cheapness Easy available All above
12 Separation of isotopes of uranium is carried out by CaF2 SF6 HF All above
13 Fluorine finds considerble use of DDFT which is used as. herbicide Fungacide Insecticide Nomatocides
14 Fluorine is. Powerful oxidizing agent Most reactive element Used as refrigerants All of above
15 Fluorine form Fluorides reacting with Metals Non metals Metalloide Any of above
16 In Dannis's method the end of the copper caps into which graphite electrode are fixed with cement. Portiant Bakelite Asbestos All of above
17 Among all halogens no oxyacid of the following is known F Cl Br I
18 Flourine differs from the other members of its own group due to. Its small size and low bond energy Its higher electornegativity None-availability of d-orbitals in its valence shell All the above
19 All the halogen form oxyacide, except Florine Chlorine Bromine Iodine
20 In their ionic compounds halogens exhinit the oxidation states of. -1 -2 -3 -4
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