September 2018 1 16 Report

1.)Jest to zadanie 19/65 z ćwiczenia Chemia Nowej Ery 2:

Przyporządkuj wzory soli z określeniami odczynów, które wykazują roztwory wodne tych soli. Napisz równania reakcji hydrolizy soli, które jej ulegają!.

CuCl2, Na2SO4, KNO3, Na2SO3, (NH4)2CO3

20/65

2.) Do zlewek z wodą wprowadzono następujące substancje:

Na2O, SO2, CH4, MgO, NaCl, HCl, O2, CaCl2, H2S, CaO, K2SO4

Które roztwory zawierają jony H+, które OH-, a które mają odczyn obojętny? Odpowiedź uzasadnij, pisząc odpowiednie równania reakcji chemicznych.


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Uzupełnij zdania właściwą formą czasowników w nawiasach. 1. You had better _______________ (not/wake) him up. He will be furious. 2. They ought _______________ (help) her! Didn’t they know how bad she felt? 3. I should _______________ (not/listen) to you! Now I see that my idea was much better. 4. You should _______________ (tell) me you’re not going to Andy’s party! Now I have to go there alone. 5. Should _______________ (you/not/be) at school now? 6. She should _______________ ( not/lie) to the teacher about her illness. Now she is in real trouble. 7. You ought _______________ (not/promise) things you can’t do. 8. You had better _______________ (not/stand) in my way. I’m carrying a tray with crystal glasses. B1. The university should _______________ (inform) me that I hadn’t been accepted! 2. You ought _______________ (tell) him the truth! I’m sure he’ll be grateful for your honesty. 3. I should _______________ (not/listen) to my parents! I hate studying Medicine. 4. You had better _______________ (not/go) in that direction. There is some mean-looking dog running there. 5. He should _______________ (not/forget) about his girlfriend's birthday. No wonder she was furious! 6. You had better _______________ (get up) if you want to start the exam on time. 7. They ought _______________ (not/disobey) their parents orders. Now they need to face the consequences. 8. Should _______________ (not/she/wear) more appropriate clothes for school?
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