Металдардың белсенділік қатары

Металдардың белсенділік қатары

7th - 8th Grade

10 Qs

quiz-placeholder

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Металдардың белсенділік қатары

Металдардың белсенділік қатары

Assessment

Quiz

Chemistry

7th - 8th Grade

Medium

Created by

Медет Койшыманов

Used 77+ times

FREE Resource

10 questions

Show all answers

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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