Domestic cooking gas consists mostly of A. Methane and ethane B. Liquified butane and isobutane C. Hydrogen and acetylene D. Ethylene and carbon monoxide

Methane and ethane
Liquified butane and isobutane
Hydrogen and acetylene
Ethylene and carbon monoxide

The correct answer is: B. Liquified butane and isobutane

Domestic cooking gas is a mixture of liquefied petroleum gases (LPGs), which are gases that have been compressed and cooled to a liquid state. The most common LPGs in domestic cooking gas are butane and isobutane. These gases are odorless and colorless, but they are often mixed with a small amount of a chemical called mercaptan, which gives them a distinctive smell.

LPGs are a safe and efficient fuel for cooking. They are also relatively inexpensive and easy to store. However, it is important to use LPG safely. LPGs are flammable, so it is important to keep them away from open flames and heat sources. It is also important to ventilate the area where you are using LPG, as the fumes can be harmful if inhaled.

Here is a brief explanation of each option:

  • A. Methane and ethane are both gases that are found in natural gas. They are also used as fuels in some applications. However, they are not typically used in domestic cooking gas.
  • C. Hydrogen and acetylene are both flammable gases. They are used in some industrial applications, but they are not typically used in domestic cooking gas.
  • D. Ethylene and carbon monoxide are both poisonous gases. They are not typically used in domestic cooking gas.
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