oraliq testlari ekspriment fanidan
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oraliq testlari (xamma testda a javob to`g`ri) 1. o’zbekistonda kimyo faninig yangi soxasi biorganik kimyo faning asoschisini ko’rsatin. a) k.s.axmedov b) a.m.asqarov c) o.s.sodiqov d) h.u.umonov 2. koh ertimasiga hbr qo’shildi.olingan eritmada bromid anionining konsentratsiyasi 0,005 mol/l,ph=2 bolsa,m(k+)ni toping.(eritmaning hajmi 400 ml,alfa=1) a) 78mg b)39 mg c)234 mg d) 117 mg 3. oddiy moddalarda kimyoviy bog’larning qaysi turlari hosil bo’lishi mumkin? 1. ionli; 2. qutbsiz kovalent; 3. qutbli kovalent; 4. metall; 5. donor – akseptor; 6. vodorod; a) 2,4 b) 2,4,5 c) 1,2,6 d) 1,5,6 4. qaysi kimyoviy bog’lanish to’yinuvchanlik xossasiga ega emas? 1) qutbsiz kovalent; 2) qutbli kovalent; 3) ion; 4) donor – akseptor; 5) metall; a) 3,5 b) 1,2 c) 3,4 d) 5 5. quyidagi termokimyoviy tenglama ...
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