Question

Which statement best compares and contrasts two physical properties of matter?

Density and solubility are similar because they both involve water, but they are different because density involves dissolving a material and solubility involves floating or sinking a material.
Density and solubility are similar because they both involve a material’s mass and volume, but they are different because density involves floating materials and solubility involves sinking materials.
Boiling points and melting points are similar because they both involve changing the heat of a material, but they are different because boiling point involves adding heat to a material and melting point involves removing heat from a material.
Boiling points and melting points are similar because they both involve the change in a state of a material, but they are different because boiling point involves a change from a liquid to a gas and melting point involves a change from a solid to a liquid.

Answer 1

Answer: Boiling points and melting points are similar because they both involve the change in a state of a material, but they are different because boiling point involves a change from a liquid to a gas and melting point involves a change from a solid to a liquid.

Step-by-step explanation: I took the quiz on edge2020

Answer 2

Option (D) is correct.

We have four statements that compare and contrast two physical properties of matter.

We have to select the statement that compares these physical properties

correctly.

What do you mean by density, solubility, melting point and boiling point of a substance?

The density of a substance is the measure of its mass per unit volume.

$d= \frac{m}{v}$

Solubility of a substance is the maximum about of substance that can dissolve in a given amount of solvent at a given temperature.

The temperature at which the liquid substance evaporates to become vapor is called boiling point of the substance.

The temperature at which the substance melts to form liquid is called melting point of the substance.

In both, Boiling and Melting point -

• the change in the state of material take place ( Solid to liquid in melting , liquid to gas in boiling).
• Boiling involves : liquid to gas conversion whereas Melting involves : Solid to liquid conversion.

Hence, Option D : Boiling points and melting points are similar because they both involve the change in a state of a material, but they are different because boiling point involves a change from a liquid to a gas and melting point involves a change from a solid to a liquid is correct.

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