UPSC CDS 1 2023 GK Paper
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Question : 114 of 120
Marks:
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Which of the following statements are true for the reaction of Fe2O3 with aluminium?
1. It is known as the ‘thermite reaction’.
2. The heat evolved is used for welding purpose.
3. Aluminium metal acts as an oxidizing agent.
4. Molten Fe and Al are formed at the end of the reaction.
Select the correct answer using the code given below.
1. It is known as the ‘thermite reaction’.
2. The heat evolved is used for welding purpose.
3. Aluminium metal acts as an oxidizing agent.
4. Molten Fe and Al are formed at the end of the reaction.
Select the correct answer using the code given below.
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