Which of the following are signs that a double displacement reaction has occurred? Choose all that...

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Which of the following are signs that a double displacement reaction has occurred? Choose all that...

Which of the following are signs that a double displacement reaction has occurred? Choose all that apply.

		Solution changes color
		Solid precipitates out of solution
		Heat is emitted
		Mass is gained
		Gas formation
		Water formation

please Im stick in this question

science chemistry

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Answer 1

Answer #1

Mass can not be loose or gained in any chemical reaction

except in the cases of nuclear reaction

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Answer 2

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