GENERAL GEOLOGY

GEOLOGY

ECONOMIC GEOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When hydrocarbons burn, ____ and ____ are released.
A
carbon dioxide and water
B
CFCs and Methane
C
heat and light
D
smoke and Greenhouse Gases
Explanation: 

Detailed explanation-1: -The process of burning a hydrocarbon in the presence of air to give CO2, H2O, heat, and light is known as combustion.

Detailed explanation-2: -Burning hydrocarbons in the presence of oxygen (O2) produces carbon dioxide (CO2) and water (H2O). If there is too much carbon or too little oxygen present when hydrocarbons are burned, carbon monoxide (CO) may also be emitted. Sometimes unburned hydrocarbons are released into the air during incomplete combustion.

Detailed explanation-3: -The energy required to break the bonds in the hydrocarbon molecules is substantially less than the energy released in the formation of the bonds in the CO2 and H2O molecules. For this reason, the process releases significant amounts of thermal energy (heat).

Detailed explanation-4: -combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.

Detailed explanation-5: -In chemistry we call the type of reaction that produces fire a combustion reaction.

There is 1 question to complete.