1.1 Oxidation and Reduction

Redox reaction is a chemical reaction where ....................... and ...................... occur simultaneously.

• vulcanization, reduction

• oxidation, neutralization

• oxidation, reduction

• combustion, reduction

Oxidation reaction takes place when a reactant .............. oxygen.

Oxidizing agent is a substance that undergoes .................. reaction while causing another substance undergoes oxidation reaction.

• reduction

• sublimation

• oxidation

• neutralization

Based on the equation given, what is the oxidizing agent ?

Reducing agent is a substance that undergoes .................... reaction while causing another substance to undergoes ...................... reaction.

• reduction, oxidation

• oxidation, reduction

• combustion, reduction

• oxidation, precipitation

Oxidation reaction takes place when a reactant loses ........................

• oxygen

• protons

• nitrogen

• hydrogen

Reduction reaction takes place when a reactant .................... oxygen.

Based on the equation given, what is the reducing agent?

Based on the equation given, what element or substance undergoes oxidation reaction?

When a reactant gains hydrogen, it undergoes ...................... reaction.