Chemistry Middle School

which is a mixture?
A. Water reacting with oxygen
B. Salt dissolved in water
C. Sodium and chlorine in a molecule
D. A solid aluminum pan

Which Is A Mixture?A. Water Reacting With OxygenB. Salt Dissolved In WaterC. Sodium And Chlorine In A

Answers

Answer 1

Answer:

B. salt dissolved in water

Explanation:

a mixture is multiple substances mixed together

Answer 2
B salt dissolved in water

Related Questions

List one property that water and oil do not share. Why do you think water and oil have different properties?

Answers

one property that water and oil don’t have are that oils and fats not have any polar part and so for them to dissolve in water they would have to break some of waters hydrogen bonds
water has no taste and no smell

BRAIN BREAK RIDDLES!!!
I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Answers

Answer:
its either air or breath but i think its breath
Explanation:

Breath
Thanks that was fun

Which is a physical change?

using electricity to break down water into hydrogen and oxygen

formation of rust on a metal fence

turning on a gas burner on a stove

the evaporation of water into water vapor

Answers

Answer:

Hello how are you doing my name is naitik your answer is c because it can be reversed I hope it helps

Chemical changes:
Formation of rust on a metal fence

Which of the following explain why it is important to conserve both types of natural resources?

A. Cutting down too many trees in an area removes them faster than they can regrow.

B. Wind turbines can harness conserved energy in order to make more electricity.

C. Natural resources are typically all nonrenewable because they are irreplaceable.


D. Resources are only renewable if they can be replenished before humans use them.

Answers

It’s A.Cutting down too many trees in an area removes them faster then they can grow
Answer is a. Just qnswered this

Why would a farmer put lime on his crop fields?

Answers

Answer: The first one

A. Lime alters the ph of soil.

Which items are biomass energy sources? Select all correct answers.
the sun
wood chips
manure
paper

Answers

Answer:

wood chips, paper, and manure are biomass energy sources.

Explanation:

Biomass energy is energy generated or produced by living or once-living organisms.

Wood chips, paper, and manure are biomass energy sources. The primary form of energy from renewable sources that can be utilised to replace fossil fuels on a long-term basis is biomass.

Energy created or generated by living or formerly living creatures is known as biomass energy. Plants like the aforementioned maize and soy are the most prevalent types of biomass that are utilised for energy. These creatures' energy may be used to generate electricity or be burnt to provide heat. Direct combustion is the primary method of producing most of the power from biomass. In a boiler, biomass is burnt to create high-pressure steam. These turbine blades revolve as a result of the steam flowing over them. Wood chips, paper, and manure are biomass energy sources.

To know more about biomass energy, here:

https://brainly.com/question/32175810

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Spraying crops with an herbicide is an example of using what type of control?

Answers

Answer:

Choice A, Chemical

Explanation:

I found this online: "Biological control uses a living organism to kill pests while chemical control uses different strong chemicals to kill, prevent or repel pests." Herbicide is an example of using chemical to kills, prevent, or repel pests.

Chemical.
You can use process of elimination for these types of questions.

What results when two waves that are completely out of phase meet?

A: constructive interference that results in a greater amplitude
B: destructive interference that results in a greater frequency
C :destructive interference that results in a lower amplitude

Answers

Answer:

The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.

Explanation:

The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.


Destructive interference occurs when the maxima of two waves are 180 degrees out of phase: a positive displacement of one wave is cancelled exactly by a negative displacement of the other wave. The amplitude of the resulting wave is zero.

Mia is having a picnic. she will provide orange juice unsweetened tea, and sodas. She plans to make peanut butter sandwiches and trail mix. She will also make some gelatin with bananas in it. Which picnic items are mixtures? Which are solutions? Explain your choices.

Answers

Everying thing is mixture as everything have different compounds

Everything is a mixture bc they all have compounds

What break down into simpler materials

Answers

Answer:

Digestion is the breaking down of food into simpler substances.Ingestion is the process of taking the food in.Absorption is the process of absorbing the nutrients and water into the bloodstream.Assimilation is the process of utilization of absorbed nutrients by the cells.

hope it helps you

please mark it as brainliest

Compounds can be broken down into simpler substances
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