
Химические реакции 7 класс
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Жулдыз Жолдасбаева
Used 12+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Название кислоты НNO3
азотистая кислота
соляная кислота
азотная кислота
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Формула плавиковой кислоты
HCl
H2S
HI
HF
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Укажите название кислоты Н2SiO3
серная кислота
сернистая кислота
фосфорная кислота
кремниевая кислота
4.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Как меняется цвет лакмуса в кислой среде?
краснеет
синеет
не изменяетя
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Как изменяется цвет фенолфталеина в щелочной среде
становится желтым
становится малиновым
становится синим
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Укажите формулу гидроксида калия
NaOH
KOH
Ca(OH)2
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Какой металл не взаимодействует с кислотами?
кальций
золото
цинк
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