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Chemistry Fsc Part 2 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Which element form maximum compounds with Xenon | F Cl Br I |
| 2 | Which substance is used in photography | AgCl AgBr AgI Ag3PO4 |
| 3 | Which raw material is used for preparation of bleaching powder. | Cl2 and H2O Cl2 and Lime Cl2 and HOCl HCl and Lime |
| 4 | Iodine deficiency in diet is known to cause. | Beri Beri Goiter Rickets Night blindness |
| 5 | Which one of the following is not use of chlorine. | Formation PVC Formation of mustard gas Disinfectant and bleaching agent Formation of sodium chloride |
| 6 | Bleaching powder contains available chlorine approximately | 100% 70-80% 35-40% 10-20% |
| 7 | Which one of the following acids acts as oxidizing agent but never a reducing agent. | HCIO HCIO2 HCIO3 HCIO4 |
| 8 | The chemical formula of Sodium Bromite is. | NaBrO NaBrO2 NaBrO3 NaBrO4 |
| 9 | The most ionic is | HF HCl HBr HI |
| 10 | Which acid can not be stored in glass bottles. | HCl HF H2SO4 HNO3 |
| 11 | Which one of the following has highest melting and boiling points. | HF HBr HCl HI |
| 12 | Bromine can be liberated from KBr solution by the action of. | I2 solution Chlorine NaCl KI |
| 13 | The halogens ae best described by which of the following statements. | Their outer shell is complete Most of them are colourless They all are oxidizing agent They all are gases at room temperature |
| 14 | Which one of the following uses is not correctly related with the halogen. | fluorine -------- Teflon Chlorine ---------Bleaching powder Bromine ---------------PVC plastics Iodine -----------Iodex |
| 15 | Colour of which halogen is not correctly related. | F2 --- colourless gas Cl2---- greenish yellow gas Br2----- Reddish brown liquid I2-------- grayish Black solid |
| 16 | Stability of halogen molecules decreases from | F2 to I1 Cl2 to I2 I2 to F2 I2 to Cl2 |
| 17 | Which statement is correct about the given reaction. 2NaOH + Cl2 --------------- NaCl + NaCIO + H2O |
Cl is oxidized and O is reduced Cl is reduced and O is oxidized Cl is oxidized as well as reduced Neither Cl nor oxygen is reduced or oxidized |
