Definitions [2]
Define the following:
Bone black
The Carbon content of bone charcoal is separated by treating the latter with hydrchloride acid, which dissolves the calcium phosphate. Carbon is then filtered out of the solution and in this form it is called bone black.
Define 'Greenhouse effect'.
The heating-up of the earth’s atmosphere due to trapped infrared rays reflected from the earth's surface by atmospheric gases is called the greenhouse effect.
Concepts [13]
- Carbon Dioxide
- Preparation of Carbon Dioxide
- Recognition and Identification of Gases
- Properties of Carbon Dioxide
- Tests for Carbon Dioxide
- Importance of Carbon Dioxide
- Fire Extinguisher
- Carbon Dioxide
- Green House Effect
- Preventive Measures of Green House Effect
- Preventive Measures of Global Warming
- Cause of Increased Percentage of Carbon Dioxide in the Atmosphere
- Steps to Balance Carbon Dioxide in the Atmosphere
