28-dekabr 1-smena original savollar
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telegram kanalimiz: @shamseducation +998945466007 shukurov feruz milliy sertifikat original savollar 28-dekabr 1. 3o2=2o3 to’g’ri fikrni toping a) massa ortadi b) atom kamayadi c) molekula kamayadi d) massa kamayadi 2. temir 2 ortofosfat oktagidrat massasini toping. a) 484 b) 502 c) 510 d) 470 3. 600ml 0,2m li hcl eritmasiga necha ml 0,5m koh qo’shilganda ph=13 ga teng bo’ladi? a) b) c) d) 4.termometr sinsa simob to’kilgan joyga qaysi modda sepiladi? a) oltingugurt b) etil spirt c) sirka kislota d) vodorod xlorid telegram kanalimiz: @shamseducation +998945466007 shukurov feruz 5. sf6 cs2 clf ccl4 qaysi modda ko’proq qutblangan? a) 1 b) 2 c) 3 d) 4 6.qaysi moddadan bir bosqichda etan olib bo’lmaydi? a) propan kislota b) brommetan c) etandiol d) n-butan …
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