Question

the ∆sing written above the arrow indicated .......... of the reaction​

Answer 1

Answer:

The symbol "Δ" is often used to indicate that the reaction is to be heated.

it is a thermal reaction

Answer 2

Answer:

Similarly, the points on triangular or diamond-shaped signs are, as mandated by the MUTCD, used to indicate warning and danger, and reflect instability and conflict. These signs are usually bright yellow or red, for visibility and to underscore the strident nature of the shape.

Explanation:

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