Which of the following statements about the given reaction is/are inco

1.	Which of the following statements about the given reaction is/are incorrect?l. The mixture of Fe2O3. and Al is ignited by inserting a magnesium ribbon and then burning it.ll. The reaction is used for welding the broken parts of iron machinery, railway tracks, etc. lll. The whole process is called alumino-thermy. lV. The reaction is highly endothermic.(A) I and lll only (B) I and lV only (C) ll and lll only (D) lV only
Answer» Correct option (D) lV only Explanation: The reaction is highly exothermic.

Which of the following statements about the given reaction is/are incorrect?l. The mixture of Fe2O3. and Al is ignited by inserting a magnesium ribbon and then burning it.ll. The reaction is used for welding the broken parts of iron machinery, railway tracks, etc. lll. The whole process is called alumino-thermy. lV. The reaction is highly endothermic.(A) I and lll only (B) I and lV only (C) ll and lll only (D) lV only

Answer»

Correct option (D) lV only

Explanation:

The reaction is highly exothermic.