Balancing of equations

Balancing of equations

7th Grade

7 Qs

quiz-placeholder

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   Balancing of equations

Balancing of equations

Assessment

Quiz

Chemistry

7th Grade

Hard

Created by

Educate Tuitions

FREE Resource

7 questions

Show all answers

1.

OPEN ENDED QUESTION

30 sec • Ungraded

.

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

30 sec • Ungraded

.

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Al + O2 → Al2O3
Al + O2 → Al2O3
4Al + 3O2 → 2Al2O3
3Al + 2O2 → 2Al2O3
2Al + 3O2 → 2Al2O3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Mg + CO2 → MgO + C
Mg + CO2 → 2MgO + C
Mg + CO2 → 2MgO + 2C
2Mg + CO2 → 2MgO + C
Mg + 2CO2 → 2MgO + 2C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. K + H2O → KOH + H2
K + 2H2O → 2KOH + H2
K + 2H2O → 2KOH + 2H2
2K + H2O → 2KOH + H2
2K + 2H2O → 2KOH + H2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. N2 + H2 ⇌ NH3
N2 + H2 ⇌ NH3
N2 + H2 ⇌ 2NH3
N2 + 3H2 ⇌ NH3
N2 + 3H2 ⇌ 2NH3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Fe + Cl2 → FeCl3
2Fe + 3Cl2 → 2FeCl3
Fe + Cl2 → 2FeCl3
Fe + 3Cl2 → 2FeCl3
Fe + Cl2 → FeCl3