Chemistry · Acids, Bases and Salts
A white solid reacts with dilute HCl, producing a colorless gas that turns lime water milky. What can be accurately concluded from this observation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The gas is carbon dioxide; the solid is either a metal carbonate or bicarbonate.✓
- 2The solid is definitely calcium carbonate only.
- 3The gas is hydrogen, indicating the solid is a highly reactive metal.
- 4The gas is sulfur dioxide; the solid is a sulfite salt.
Correct answer
The gas is carbon dioxide; the solid is either a metal carbonate or bicarbonate.
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