Sana: nazorat ishi.№1
Yüklə 196,2 Kb.
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15.21 gr temir bilan qoldiqsiz reaksiyaga kirishish uchun qancha oltingugurt kerak bo’ladi? A)4 B)8 C)12 D)16 16.Azotli o’g’it “Mochevina”ning formulasi.A)NaNO3 B)NH3 C)HNO3 D)CO(NH2)2 17.Quyidagi birikmalarning qaysi birida fosforning massa ulushi ko’p. A)Ca(H2PO4)2 B)Ca3(PO4)2 C)CaHPO4 D)P2O5 18.Fosfat angidridning formulasi.A)Ca(H2PO4)2 B)Ca3(PO4)2 C)CaHPO4 D)P2O5 19.Pirofosfatning formulasi_______________________________________________________ 20.Fosfornimg allotropik shakl o’zgarishlari__________________________________________ 21.Nitrat kislotaning yorug’lik va issiqlik ta’sirida parchalanishi__________________________
22.Ammiakning katalitik oksidlanishi________________________________________________________ 23. 128 gr mis nitrat kislotada eriganda hosil bo’ladigan qo’ng’ir gazning hajmini aniqlang. __________________________________________________________________ 24.Natriy nitrat,qo’rg’oshin(II)-nitrat,kumush nitrat tuzlarini parchalanishini yozing. _________________________________________________________________ 25.Azotning massa ulishi quyidagi moddalarning qaysi birida ko’p.NH3,NO,NO2.______________________________________________________________
Yüklə 196,2 Kb. Dostları ilə paylaş:
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