Match the term with the example that shows its definition. match term definition compressibility a) the burning of coal releases a lot of heat flammability b) sodium easily combines with chlorine to make salt heat of combustion c) gasoline catches fire reactivity d) gas is squeezed into a small container

Explanation:   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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mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b