Match the items of Columns I and II and mark the correct option. A. `{:(A,B,C,D),(4,3,1,2):}`B. `{:(A,B,C,D),(3,4,1,2):}`C. `{:(A,B,C,D),(4,1,4,3):}`D. `{:(A,B,C,D),(2,1,3,4):}`

Match the items of Columns I and II and mark the correct option. A. `{

1.	Match the items of Columns I and II and mark the correct option. A. `{:(A,B,C,D),(4,3,1,2):}`B. `{:(A,B,C,D),(3,4,1,2):}`C. `{:(A,B,C,D),(4,1,4,3):}`D. `{:(A,B,C,D),(2,1,3,4):}`
Answer» A. -(4) B.-(3) C. -(1) D. -(2) A. `H_(2)SO_(4)` is used in strage batteries. B. `C Cl_(3)NO_(2)` is known as tear gas. C. `Cl_(2)` has highest electron gain enthalpy. D. Sulphur is a member of chalcogen i. e., ore producing elements.

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In which following statement are correct. (a) Anhydrous hydrogen fluroide is a liquid at ordianry temperature while other halogen acid are gases. (b) Lead acetate does not form any precipitate with HF acid but other halogen acid from precipitates. (c) HF is heated with a mixture of `MnO_2` and `H_2SO_4`, no gas is evolved but In case of HCI, HBr and HI acids evolved gases. (d) HF is not oxidised by strong oxidising agent but other halogen acid are oxidised.A. (A) aB. (B) bC. (C) cD. d
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Match the items of Columns I and II and mark the correct option. A. `{:(A,B,C,D),(4,3,1,2):}`B. `{:(A,B,C,D),(3,4,1,2):}`C. `{:(A,B,C,D),(4,1,4,3):}`D. `{:(A,B,C,D),(2,1,3,4):}`

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