Element atomlarining boshqa elementlarning muayyan sondagi atomlarini biriktirib olish xususiyati


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KIMYO TEST 2022umumiy kimyo

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2, 3
===================================
1, 4
=======================================
2, 4
+++++++++++++++++++++++++++++++++++++
Qaysi tuzning gidrolizlanishi ishqoriy muhitda kuchayadi?
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kaliy karbonat
===============================
bariy nitrat
================================
xrom (Ill)-sulfid
=============================
# aluminiy xlorid
++++++++++++++++++++++++++++++
Qaysi tuzning gidrolizlanishi kislotali muhitda kuchayadi?
==============================
# kaliy karbonat
================================
xrom (Ill)-sulfid
=================================
alyuminiy xlorid
==================================
bariy nitrat
+++++++++++++++++++++++++++++++
Quyidagi reaksiya uchun koeffitsiyentlar yig‘indisini aniqlang.
C3H6(OH)n +xO2 →yCO2 + 4H2O
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# 12
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10
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11
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13
+++++++++++++++++++++++++++++++++++++++

Qaysi reaksiyada azot atomining oksidlanish darajasi +5 dan +4 ga o‘zgaradi?


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# Сu + HNO3(kons) →
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NH4NO3(t)→
============================
NH3 + O2 (kat) →
=========================
NaNO3 (t)→
+++++++++++++++++++++++++

Bariy sulfid gidroliziga oid to‘g‘ri fikrlarni ko‘rsating.1) kation bo‘yicha gidolizlanadi; 2) anion bo‘yicha gidrolizlanadi; 3) ishqoriy muhitga ega; 4) nordon muhitga ega.


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# 2, 3
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2, 4
===================================
1, 4
=====================================
1, 3
++++++++++++++++++++++++++++++++++
Aluminiy xlorid gidroliziga oid to‘g‘ri fikrlarni ko‘rsating. 1) HCl ta ’sirida gidroliz kuchayadi; 2) NaOH ta ’sirida gidroliz kuchayadi; 3) kation bo‘yicha gidrolizlanadi; 4) anion bo‘yicha gidrolizlanadi.
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1, 3
==================================
# 2, 3

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