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The Invisible Gas in Sparkling Wine

5:35N16AAfter Level 5 — Champagne

Knowledge check

Can the claim survive the glass?

Each attempt draws a fresh mix from this lesson’s question bank. Choose the best answer for each question. You need 3 of 3 to complete this lesson.

01Dissolved carbon dioxide must already be visible as bubbles.
02Opening a bottle changes the pressure conditions above the wine.
03Cold sparkling wine generally retains dissolved carbon dioxide better than warm wine.