From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer 2 SO 2 + O 2 → 2 SO 3

Completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer 2 SO 2 + O 2 → 2 SO 3 SO 2 O 2 The reaction in which element combines with oxygen is called oxidation. The reaction where oxygen gets eliminated from compound is known as reduction.

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer Fe 2 O 3 + 3 CO → 2 Fe + 3 CO 2

The completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer Fe 2 O 3 + 3 CO → 2 Fe + 3 CO 2 CO Fe 2 O 3 In this reaction, Fe 2 O 3 donates its oxygen to CO and forms Fe . Therefore, the substance oxidised is CO and the substance reduced is Fe 2 O 3 .

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer ZnO + C → Zn + CO

The completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer ZnO + C → Zn + CO C ZnO In this reaction, zinc oxide loses its oxygen and forms zinc metal. Whereas, carbon gain oxygen and forms carbon monoxide. Therefore, carbon is oxidised and zinc oxide is reduced.

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer 2 FeCl 3 + H 2 S → 2 FeCl 2 + 2 HCl + S ↓

Completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer 2 FeCl 3 + H 2 S → 2 FeCl 2 + 2 HCl + S ↓ H 2 S FeCl 3 In this reaction, FeCl 3 oxidises H 2 S which results in the formation of ferrous chloride, HCl and sulphur gets precipitated. So, H 2 S is oxidised and FeCl 3 is reduced.

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer FeO + H 2 → Fe + H 2 O

Completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer FeO + H 2 → Fe + H 2 O H 2 FeO In this reaction, FeO loses its oxygen and forms iron. Whereas, H 2 combine with oxygen and form water. Hence, H 2 is oxidised and FeO is reduced.

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction. Equation of reaction Substance oxidised Substance reduced Reason behind your answer Fe 2 O 3 + Al → 2 Fe + Al 2 O 3

Completed table is: Equation of reaction Substance oxidised Substance reduced Reason behind your answer Fe 2 O 3 + Al → 2 Fe + Al 2 O 3 Al Fe 2 O 3 In this reaction, Fe 2 O 3 loses its oxygen and forms iron metal. Whereas, Al combines with oxygen and forms Al 2 O 3 . So, Al is oxidised and Fe 2 O 3 i reduced.

West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13

Author:West Bengal Board

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13

Attempt the practice questions on Chapter 2: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13 with hints and solutions to strengthen your understanding. Environment and Science Class 8 solutions are prepared by Experienced Embibe Experts.

Questions from West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13 with Hints & Solutions

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q i)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
$2 {SO}_{2} + O_{2} \to 2 {SO}_{3}$

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q ii)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
${Fe}_{2} O_{3} + 3 CO \to 2 Fe + 3 {CO}_{2}$

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q iii)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
$ZnO + C \to Zn + CO$

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q iv)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
$2 {FeCl}_{3} + H_{2} S \to 2 {FeCl}_{2} + 2 HCl + S ↓$

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q v)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
$FeO + H_{2} \to Fe + H_{2} O$

MEDIUM

8th West Bengal Board

IMPORTANT

Environment and Science Class 8>Chapter 2 - Element, Compound and Chemical Reaction>Exercise 13>Q vi)

From the following reaction, identify the substance that has undergone oxidation and the substance that has undergone reduction.

Equation of reaction	Substance oxidised	Substance reduced	Reason behind your answer
${Fe}_{2} O_{3} + Al \to 2 Fe + {Al}_{2} O_{3}$

West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13

Questions from West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 13: Exercise 13 with Hints & Solutions

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