REview redox for james

REview redox for james

1st Grade

37 Qs

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REview redox for james

REview redox for james

Assessment

Quiz

Chemistry

1st Grade

Medium

Created by

Anis Kristianingrum

Used 1+ times

FREE Resource

37 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fe2O3 + 2Al --> 2Fe + Al2O3


Which statement is correct?

Aluminium has been oxidised, iron (III) oxide has been reduced

Aluminium has been reduced, iron (III) oxide has been oxidised

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Fe2O3 + 2Al --> 2Fe + Al2O3


Fe has been reduced from:

+3 to 0

+6 to 0

+3 to +1

+6 to +1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

CO2 + C --> 2CO


Which statement is correct?

Carbon is oxidised from 0 to +2. Carbon is reduced from +4 to +2.

Carbon is reduced from 0 to +2. Carbon is oxidised from +4 to +2.

Carbon is oxidised from +2 to +1. Carbon is reduced from +4 to +2.

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2Na + 2H2O --> 2NaOH + H2


Which element is oxidised?

Sodium

Water

Neither

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2Na + 2H2O --> 2NaOH + H2


Which statement is correct?

Hydrogen is oxidised from +1 to 0. Sodium is reduced from 0 to +1.

Hydrogen is reduced from +1 to 0. Sodium is oxidised from 0 to +1.

Hydrogen is reduced from +2 to 0. Sodium is oxidised from 0 to +2.

Hydrogen is oxidised from +2 to 0. Sodium is reduced from 0 to +2.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2Cu2+ + 4I- --> 2CuI + I2


Have the copper ions been:

Reduced from +2 to +1

Oxidised from +2 to +1

Reduced from 0 to +1

Oxidised from 0 to +1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cu2O + H2SO4 --> CuSO4 + H2O + Cu


The copper (I) ions have been:

Oxidised

Reduced

Both

Neither

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