Kimyoning asosiy tushuncha va qonunlari. I. Kimyoning asosiy tushunchalari. Atom


Quyidagi oksidlar namlangan(yoki etitmasi) indicatorni qanday rangga bo’yaydi?


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Kimyoning asosiy tushuncha va qonunlari. I. Kimyoning asosiy tus

57. Quyidagi oksidlar namlangan(yoki etitmasi) indicatorni qanday rangga bo’yaydi?
I. lakmus;II. fenolftalien;
1) SO3; 2) K2O; 3) B2O3; 4) NO2; 5)FeO; 6) BaO;
a) qizil; b)rangsiz; c) Pushti(binafsha); d) ko’k
A) I-1a; 2d; 3a; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
B) I-1a; 2d; 3b; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
C) I-1a; 2b; 3b; 4a; 5b; 6c; II-1d; 2c; 3b; 4b; 5b; 6d;
D) I-1a; 2d; 3b; 4a; 5b; 6d; II-1d; 2a; 3b; 4d; 5b; 6a;


58. Quyidagi oksidlar namlangan(yoki etitmasi) indicatorni qanday rangga bo’yaydi?
I. lakmus;II. fenolftalien;
1) Cl2O5; 2) Cs2O; 3) CrO3; 4) N2O5; 5) CuO; 6) SrO;
a) qizil; b)rangsiz; c) Pushti(binafsha); d) ko’k
A) I-1a; 2d; 3a; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
B) I-1a; 2d; 3b; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
C) I-1a; 2b; 3b; 4a; 5b; 6c; II-1d; 2c; 3b; 4b; 5b; 6d;
D) I-1a; 2d; 3b; 4a; 5b; 6d; II-1d; 2a; 3b; 4d; 5b; 6a;
59. Quyidagi moddalar namlangan(yoki etitmasi) indicatorni qanday rangga bo’yaydi?
I. lakmus;II. fenolftalien;
1) N2O3; 2) Na2O2; 3) SeO3; 4) P2O5; 5) CdO; 6) K2O4;
a) qizil; b)rangsiz; c) Pushti(binafsha); d) ko’k
A) I-1a; 2d; 3a; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
B) I-1a; 2d; 3b; 4a; 5b; 6d; II-1b; 2c; 3b; 4b; 5b; 6c;
C) I-1a; 2b; 3b; 4a; 5b; 6c; II-1d; 2c; 3b; 4b; 5b; 6d;
D) I-1a; 2d; 3b; 4a; 5b; 6d; II-1d; 2a; 3b; 4d; 5b; 6a;
60. Қуйидаги оксидлардан қайси бирининг кислоталик хоссаси юқори?
A) Cl2O7 B) SO2 C) P2O5 D) SO3
61. Қуйидаги юқори оксидларни кислоталик хоссаси ортиб бориш тартибида жойлаштиринг.
1) N2O5; 2) CO2; 3) Cl2O7; 4) SO3;
A) 2.4.1.3 B) 3.4.1.2 C) 2.1.4.3 D) 1.3.4.2

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