pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. what are the signs…

pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. what are the signs that this is a chemical reaction? check all that apply.\nheat is produced.\nlight is produced.\nheat is absorbed.\nbubbles appear.\na precipitate forms.\nthe color changes.

pure sodium metal placed in water will spark and ignite, as well as form bubbles and gas. what are the signs that this is a chemical reaction? check all that apply.\nheat is produced.\nlight is produced.\nheat is absorbed.\nbubbles appear.\na precipitate forms.\nthe color changes.

Answer

Brief Explanations:

When pure sodium metal reacts with water, it sparks (light production), ignites (heat production), and forms bubbles (gas evolution). There is no mention of heat absorption, precipitate - formation, or color change.

Answer:

Heat is produced., Light is produced., Bubbles appear.