Your lab partner mixed two colorless solutions in the test tube. He sees no observable changes in the resulting mixture and is unable to detect any change in temperature. Based on these observations, what type of reaction has taken place?

A physical reaction

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A chemical reaction

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An exothermic reaction

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No reaction has taken place

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Solution

The correct option is A A physical reaction
No change in temperature $-$ neither exothermic or endothermic reaction.
as no observable change $-$ not a chemical reaction
since the liquid mixed $-$ it is a physical change.

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Your lab partner mixed two colorless solutions in the test tube. He sees no observable changes in the resulting mixture and is unable to detect any change in temperature. Based on these observations, what type of reaction has taken place?

The correct option is A A physical reactionNo change in temperature − neither exothermic or endothermic reaction.as no observable change − not a chemical reactionsince the liquid mixed − it is a physical change.

The correct option is A A physical reaction
No change in temperature $-$ neither exothermic or endothermic reaction.
as no observable change $-$ not a chemical reaction
since the liquid mixed $-$ it is a physical change.