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vazorg [7]
3 years ago
10

Indicate whether the following represents a Chemical or Physical change: Gasoline burns in air

Chemistry
2 answers:
valina [46]3 years ago
8 0

Answer:

Chemical

Explanation:

Whenever "burns" is being used, most of the time it is a chemical change

viktelen [127]3 years ago
8 0

Answer:

chemical change

Explanation:

it's a chemical change because when gas burn it produces water and carbon dioxide

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A mixture requires constant shaking to keep its constituents combined. It is best described as a _____. homogenous mixture collo
lyudmila [28]

The correct answer is a suspension.

A suspension is a mixture containing relatively large particles that settle fast

A homogenous mixture is a mixture where everything looks the same throughout and is all in the same phases

A colloid is a heterogenous mixture where the particles are small enough to stay suspended (usually talking about gaseous solutions)

And a solution is a homogenous mixture where the particles are too small to even reflect light

3 0
3 years ago
Chemistry problem, just need an explanation to why this is the answer
ICE Princess25 [194]

Answer:

Filtration

Explanation:

Evaporation could work, but it would take too long and might be harmful to the environment.  This is not the answer.

Distillation is used to purify a substance.  It is generally only used when separating two liquids.  This is not the answer.

Filtration is where you would pour the liquid through a filter and collect the solid.  This is the answer.

Chromatography is technique that is used to test whether something is pure.  You would not be able to separate the two substances using this technique.  This is not the answer.

6 0
3 years ago
Identify a process that is NOT reversible. A. melting of steel B. freezing water C. melting of ice D. frying an egg E. depositio
vredina [299]
I’m pretty sure it would be D. Frying an egg
8 0
4 years ago
How much of a 0.250 M sucrose solution must be used to prepare 400.0 mL of a 0.0310 M solution
Svetach [21]
The answer would be 49.6 mL
5 0
3 years ago
Read 2 more answers
What are 3 household substances that contain acids and say why are they useful​
Nonamiya [84]

Answer:

battery. you use it for your remotes. vinegar. you use vinegar for cooking of cleaning. nail polish remover. you use this for removing nail polish

6 0
3 years ago
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