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Question

Alcohol, CNG and LPG are inflammable substances. (True or False). Also write the false statements in their correct form.


A
True
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B
False
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Solution

The correct option is B False

Flammable substances

  • Flammability is the ease with which a combustible substance can be ignited, causing fire or combustion or even an explosion.
  • The substances which have flammability are called flammable substances.
  • Example: Alcohol, CNG, LPG etc.

Alcohol:

  • Alcohol is a type of organic compound that carries at least one hydroxyl functional group (OH) bound to a saturated carbon atom.
  • Hydroxyl group makes alcohol polar.
  • Due to the presence of hydrogen bonding, they have a high boiling point.
  • The flashpoint of alcohol is 12.8°C, which makes it flammable material.

CNG [Compressed Natural Gas]

  • Its primary use is as an alternative for fuel in automobiles.
  • The primary component in CNG is methane.
  • It produces relatively lower quantities of greenhouse gases (in comparison with LPG).
  • It is relatively safe as it disperses rapidly into the air.

LPG [Liquified Petroleum Gas]

  • It has various uses such as heating and cooking in homes. LPG also has industrial and agricultural uses.
  • The primary component of LPG is propane and butane.
  • It produces relatively large amounts of carbon dioxide, a greenhouse gas.
  • It is highly flammable as it is much heavier than air.

Thus, the given statement is a false statement.

correct statement: Alcohol, CNG, and LPG are flammable substances.


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