7 klass 4 chetvert
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About "7 klass 4 chetvert"
monitoring po ximii v 7 klasse 4 chetvert (1 variant) 1. viberite kisloti a) h2so4 b) naoh c) naclo4 d) nahco3 2. opredelite valentnost kislotnogo ostatka hclo4, h2se, h4xeo6 a) 1, 2, 4 b) 1,2,3 c) 1,2,2 d) 2,2,4 3. vibrat veshestva, s kotorimi vzaimodeystvuet hcl a) so3 b) ca c) cl2 d) h2s 4. viberite beskislorodnie kisloti a) h2s, h3po4 b) hbr, h2so3 c) nsl, hno2 d) h2s, hbr 5. viberite formulu sernistoy kisloti a) h2s b) h2sio3 c) h2so4 d) h2so3 6. viberite nazvanie kisloti, formula kotoroy h2sio3 a) sernistaya b) kremnievaya c) ugolnaya d) sernaya 7. metiloranjeviy v kisloy srede a) oranjeviy b) jeltiy c) rozoviy (krasniy) d) bestsvetniy 8. soli - eto a) slojnie veshestva, v …
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