Test Questions Flashcards

1
Q

What we see happening, and not what we think is going to happen.

A

Observation

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2
Q

Liquids that do not mix (or make a homogenous mixture when mixed)

A

Immiscible liquids

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3
Q

This technique that is used to separate components of chlorophyll.

A

Chromatography

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4
Q

How is the periodic table categorized?

A

By the increasing atomic (proton) number

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5
Q

What is the compound for Carbon monoxide?

A

1 carbon and 1 oxygen

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6
Q

Apparatus that holds objects in place.

A

Retort stand

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7
Q

CH4+2O2 —> CO2+2H2O

What does the reactant side read?

A

1 carbon, 4 hydrogen, and 4 oxygen

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8
Q

What experiment was the key to the discovery of the Atomic nucleus?

A

Rutherford Scattering Experiment

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9
Q

What process is the purifying of liquid through heating and cooling?

A

Distillation

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10
Q

Ethanol and water can be separated by what process and why?

A

Fractional Distillation

because they both have close but different boiling points

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11
Q

Elements that belong to the same group have the same number of…

A

Valent electrons

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12
Q

Solid to Gas

A

Sublimation

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13
Q

What is fractional distillation?

A

Separation of a liquid mixture into fractions differing in boiling point

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