4:01Long-form

GCSE Chemistry - Testing for Gases - Hydrogen/Chlorine/Oxygen/CO2 (2026/27 exams)

United KingdomPublished November 3, 2025

Views 52.2K  |  Likes 719  |  Comments 28
Views#1,358,307Global
Views#58,190United Kingdom

Channel

CognitoCognito
1.33M subs526 videosDec 2017

Based on an estimated $0.7–$2 CPM, this video's 52.2K views translate to an estimated $37 – $104 in lifetime ad revenue.

Revenue estimate

Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.

Total (all-time)$37 – $104