Қышқылдар
Quiz
•
Chemistry
•
8th Grade
•
Hard
Gog Dod
Used 8+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Қышқылдар - ... тұрады.
металл атомы мен қышқыл қалдығынан
сутек атомы мен қышқыл қалдығынан
металл атомы мен гидроксид тобынан
металл (бейметалл) атомы мен оттек атомынан
Answer explanation
HCl, H2SO4, H2CO3
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
қышқыл + негіз = ? + ?
қышқыл 2 + негіз 2
негіз 2 + су
тұз + су
қышқыл + тұз
Answer explanation
NaOH + HCl → NaCl + H2O
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Органикалық қышқыл
CH3COOH
HCl
H2SO4
H2CO3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Әлсіз қышқыл түзілетін реакция
Ca3(PO4)2 + 6HCl → 3CaCl2 + 2H3PO4
CuSO4 + 2H2O → Cu(OH)2 + H2SO4
Na2CO3 + 2HCl → 2NaCl + H2CO3
2 NaOH + CaCO3 → Ca(OH)2 + Na2CO3
Answer explanation
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Оттекті қышқыл бар қатар
HF, HCl, HI, HBr, H2S
H2O, HCl, HI, HCN
HI, HBr, H2S, CO2
HCl, HI, HBr, H2SO3
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Қышқылдық қасиеті ең жоғары қышқыл
HCl
HF
H2S
HI
Answer explanation
Фтор - қышқылдық қасиеті ең жоғары элемент
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Тамақ өнеркәсібінде қолданылатын қышқыл
CH3COOH
H2SO4
HCl
HF
Answer explanation
CH3COOH - сірке қышқылы (уксус)
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