Фосфор, фосфор қышқылы
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Zhumagul Baltabaeva
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфор элементін ашқан ғалым?
Д.И.Менделеев
Х.Бранд
О.Лоран
Н.Н.Бекетов
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфор элементінің азот элементінен өзгешелігі?
b-топшасында орналасқан
металл
қатты зат
сұйық
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфордың маңызды табиғи минералдары?
фосфориттер мен апатиттер
нитраттар
қышқыл мен тұз
сульфаттар
4.
OPEN ENDED QUESTION
3 mins • 2 pts
Суйреттегі процесті түсіндіріңіздер?
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Н3РО4-аталуы ?
фосфор қышқылы
азот қышқылы
күкірт қышқылы
фосфарит
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфор қышқылын қалай аламыз?
2Н3РО4 + 3MgO = Mg3(PО4)2+ ЗН2О
2Н3РО4 + ЗСа = Са3(РО4)2+ ЗН2↑
Р2О5 + ЗН2О = 2Н3РО4
Н3РО4 + 3NaOH = Na3PО4 + 3H2О
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фосфор қышқылының негіздермен әрекеттесуі?
2Н3РО4 + ЗСа = Са3(РО4)2+ ЗН2↑
Н3РО4 + 3NaOH = Na3PО4 + 3H2О
2Н3РО4 + 3MgO = Mg3(PО4)2+ ЗН2О
Н3РО4+ 3AgNО3 = Ag3PО4↓+ 3HNО3
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