Oxygen, Reduction, and Sulfur

4:48C30

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 4 of 5 to complete this lesson.

01Topping means replacing lost wine to reduce barrel headspace.

True False

02Ridge’s 74 ppm during ageing is a reported free sulfur measurement at bottling.

True False

03Why does pH matter to sulfur dioxide protection?

It affects the molecular fraction It identifies barrel origin It eliminates oxygen It measures wine colour

04Which stage can introduce oxygen exposure?

Transfer between vessels Only grape flowering Only a sealed bottle’s label None after fermentation

05What should a source audit keep distinct?

Additions, measured total, free and molecular sulfur All sulfur numbers as interchangeable Sulfur and tannin pH and barrel volume

Serious wine knowledge.
Questionable levels of seriousness.

Taste responsibly. Spitting is encouraged. Transport plans beat tasting notes.

Oxygen, Reduction, and Sulfur: Quiz | Willie’s Wine Lessons