Chemistry, asked by keshavthakurmrt, 3 months ago

17. Which among the following chemical reactions requires heat to bring about a chemical change?
(1 Point)
Reaction of potassium with oxygen in the air.
Reaction of sodium with water.
Formation of Iron sulphide from Iron and sulphur.

Answers

Answered by arulselvan7273

0

Answer:

Which among the following chemical reactions requires heat to bring about a chemical change?

(1 Point)

Reaction of potassium with oxygen in the air.

Reaction of sodium with water.

Formation of Iron sulphide from Iron and sulphur.

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