Match the following:
1. weak intermolecular bonds that form between polar parts of neighboring
2. a material that shows some properties of solids and some properties of liquids
3. the change in volume in relation to change in temperature
4. a measure of the resistance of a liquid to flow
5. the separation of solution components (fractions) based on boiling points
6. the overall movement of suspended or dissolved particles resulting from the random movements of individual particles
7. ability of certain liquids to dissolve in each other.

a. diffusion
b. fractional distillation.
c. liquid crystal
d. miscible
e. thermal expansion
f. van der waals forces
g. viscosity

Statement 1 can be matched with option f (Van der waal forces)

Statement 2 can be matched with option b (Liquid crystal)

statement 3 can be matched with option e (Thermal expansion)

Statement 4 can be matched with option g (Viscosity)

Statement 5 can be matched with option b (Fractional distillation)

Statement 6 can be matched with option a (Diffusion)

Statement 7 can be matched with option d (Miscible)

Explanation:

Van der waal forces are weak inter-molecular bonds found between covalent molecules e.g molecules of graphite, noble gases etcLiquid crystals are substances that behave like liquids and its molecules orientate itself like a crystal (solid). They can be referred to as LCs.Thermal expansion is a phenomenon where by matter changes in shape, volume and area due to a change in temperature. Viscosity is a term used to describe a fluid's resistance to flow. It is also used to describe the internal friction that a moving liquid experiences. Oil is more viscose than liquid waterFractional distillation is a separation technique used in separating two or more miscible liquids of close boiling points. For example petrol and diesel oil can be separated using fractional distillation. An industrial application of this technique is Fractional distillation of crude oil where crude oil is separated into its componentsDiffusion is the movement of dissolved particles, gases, liquid from a region of higher concentration to a region of lower concentration until there is a equal balance. This can occur when you spray a perfume in one end of a room. You will get to smell the perfume at the other end after some time. Diffusion is fastest in gas as compared to liquids and solids. Miscible is a word used to describe liquids forming a homogeneous mixture when dissolved in each other. Miscibility is factor to be considered when separating mixture.

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