4:01Long-form

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

United KingdomPublished November 3, 2025

Views 51.6K  |  Likes 711  |  Comments 28
Views#1,349,109Global
Views#57,877United Kingdom

Channel

CognitoCognito
1.32M subs526 videosDec 2017

At a glance

Views

51,679

Likes

711

Comments

28

Performance vs. channel

Outlier score

Engagement rate

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Total (all-time): $36 – $103

Based on estimated $0.7–$2 CPM.

About

⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Test for Chlorine Gas * Using damp blue litmus paper to test for chlorine. * The positive result is the litmus paper being bleached and turning white. 2. Test for Oxygen Gas * Using a glowing splint to test for oxygen. * The…

Published
November 3, 2025
Made for kids
No

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