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Answer:
Explanation: Â Compressibility - D) Gas is squeezed into a small container
Compressiblity is defined as the nature of gas due to which it can be forced or squeezed into the smallest container as well.
Flammability - C) Gasoline catches fire
Flammability can be defined as the physical property of any substance to catch a fire instantly.
Heat of combustion - A) The burning of coal releases a lot of heat
Combustion is a process in which the substance react with oxygen to give water and carbon dioxide. Thus when coal is burned, it produces a lot of energy in the form of heat.
Reactivity - B) Sodium easily combines with chlorine to make salt
Reactivity is the chemical property of any substance which explains the nature of bonding of one species with the other. Sodium react with Chlorine to give salt explains the presence of ionic bond between them.
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Compressibility - D) Gas is squeezed into a small container
 Compressibility is defined as the nature of gas due to which it can be forced or squeezed into the smallest container as well.
Flammability - C) Gasoline catches fire
 Flammability can be defined as the physical property of any substance to catch a fire instantly.
Heat of combustion - A) The burning of coal releases a lot of heat
Combustion is a process in which the substance react with oxygen to give water and carbon dioxide. Thus when coal is burned, it produces a lot of energy in the form of heat.
Reactivity - B) Sodium easily combines with chlorine to make salt
 Reactivity is the chemical property of any substance which explains the nature of bonding of one species with the other. Sodium react with Chlorine to give salt explains the presence of ionic bond between them.
Explanation:
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