Chemistry · Chemical Reactions

A student adds dilute HCl to Calcium carbonate (CaCO3). Which of the following experimental observations confirms that a gas is evolved?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Brisk effervescence is seen✓
2A pungent smell is observed
3The solution turns pink
4Formation of a white precipitate

Correct answer

Brisk effervescence is seen

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A student adds dilute HCl to Calcium carbonate (CaCO3). Which of the following experimental observations confirms that a gas is evolved?

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A student adds dilute HCl to Calcium carbonate (CaCO3). Which of the following experimental observations confirms that a gas is evolved?

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