
ТЖБ-2 8Б
Authored by Ersultan Turgunov
Chemistry
1st Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Экзотермиялық реакция
СаСО3 → СаО + СО2 -Q
С+ О2 → СО2 + H2О +Q
2HgO → 2Hg + О2 -Q
2KClO3 →2KC + О2 -Q
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Көлемі 4,48 л СО2-нің зат мөжшерін есептеңіз
2 моль
0,1 моль
0,2 моль
2,5 моль
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Оттекті ашқан ғалымдар
Дж.Пристли және К.Шееле
Дж.Пристли және Г.Кавендиш
Г.Кавендиш және К.Шееле
Г.Кавендиш
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Массасы 195 г мырыш тұз қышқылымен әрекеттескенде түзілетін сутектің қ.ж. көлемін есептеңіздер:
Zn + 2HCl → ZnCl2 + H2
89,6 л
22,4 л
67,2 л
44,8 л
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Массасы 36 г көміртек жанғанда бөлінетін жылу мөлшері
С + О2 → СО2 + 402 кДж
804 кДж
1608 кДж
402 кДж
1206 кДж
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Эндотермиялық реакция
С + О2 → СО2 + 402 кДж
2HgO + → 2Hg + О2 - 176,4 кДж
СН4 + 2О2 → СО2 + 2Н2О + 890 кДж
2H2 + О2 → 2H2О + 572 кДж
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Массасы 24,5 г калий хлоратынан алынатын оттектің массасын есептеңіздер
2KClO3 → 2KCl + 3О2
9,6 г
3,2 г
6,4 г
19,2 г
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