Металдардың белсенділік қатары
Authored by Медет Койшыманов
Chemistry
7th - 8th Grade
Used 77+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Калий элементінің ағылшынша тауы
Lithium
Sodium
Potassium
Calcium
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Натрий элементінің ағылшынша атауы
Lithium
Sodium
Potassium
Calcium
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ca
Калий
Кальций
Кадмий
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How much is calcium valence?
І
ІІ
ІІІ
IV
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Complete this reaction
Ca+O2=.........
CaO
CaO2
Ca2O
Ca2O2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Complete this reaction
Na+H2O=
NaOH+OH
Na2O+HO
NaO+H2
NaOH+H2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What happens if the alkali metals react with water?
Nothing
Hydroxides and hydrogen are formed
Oxides are formed
Hydroxides are formed
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