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 FalseFlammable substancesFlammability 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 $\left(-\mathrm{OH}\right)$ 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 $12.8°\mathrm{C}$, 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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