CHEMISTRY MIDDLE SCHOOL

Is an apple a pure substance or a mixture?

Answers

Answer 1
Answer: An apple would be a mixture. While a mixture is a combination of elements and substances, a pure substance acts as an element itself, therefore, having the properties of only THAT certain element. 
Answer 2
Answer: An apple is a mixture because a mixture has chemicals such as water, vitamins, sugar, and lots more.

Related Questions

What is a group of atoms bonded together
The type of graph that’s most useful for showing how one variable changes in response to another variable is called a _____?
PLEASE for the love of god answer these questions for me!!!! It’s urgent. 1. Some igneous rock forms from magma that cools slowly within Earth’s crust. Briefly describe the most likely crystallization and texture of the rock.2. Other igneous rock forms from lava that cools quickly on Earth’s surface. Classify the rock as either intrusive or extrusive, and identify another word used to describe this type of rock.3. You are studying a sample of igneous rock. The rock formed on the surface of Earth. It’s made mostly of light-colored minerals. The sample has just a few specks of dark-colored minerals. Classify the rock by type and composition.4. You are studying a sample of igneous rock. The rock formed within Earth’s crust. The sample contains a very high concentration of dark-colored, high-density minerals. Classify the rock by type and composition.5. A scientist shows you a sample of rock called gabbro. The scientist explains that gabbro is an intrusive mafic igneous rock. Explain what this means.
The look and feel of a rocks surface is its what
How does waste filtered by kidneys leave the body? A) It leaves through breath as humans exhale. B) It leaves through the skin as sweat. C) It leaves through the urethra as urine. D) It leaves through the nose and mouth as excess mucus

What is the function of spinal fluid? surrounds and protects the backbone
lines the mucus membrane
increases blood flow
keeps the brain dry and warm

Answers

I think the best answer is that the spinal fluid surrounds and protects the backbone. Also, it protects the brain from trauma. It acts as a shock absorber. It supplies nutrients to the nervous system tissue and removes waste products from the brain.

Which of the following lists contain only elements?A. air, iron, iodine, magnesium.
B. zinc, gold, aluminium, oxygen.
C. nitrogen, copper, mercury, water.
D. Chlorine, argon, sodium, limestone.

Answers

A list that contains only element is option B which include zinc, gold, aluminum, and oxygen.

What is a Chemical element?

A chemical element may be defined as a type of simple substance that significantly cannot be broken down or fragmented into smaller parts or changed into another substance.

The basic part of an element is an atom, which contains subatomic particles like protons, neutrons, and electrons. All atoms of an element have the same number of protons. In list A, the air is not an element, in list C, water is not an element, in list D, limestone is not an element. While list B includes all elements like zinc, gold, aluminum, and oxygen.

Therefore, a list that contains only elements is option B which includes zinc, gold, aluminum, and oxygen.

To learn more about Chemical elements, refer to the link:

brainly.com/question/28376204

#SPJ2
In which elements are belonging to? I will grant that option B ; ti's the best answer.
                 In which thou might contain the elements zinc , gold , aluminium , and last by not least oxygen.

I truly hope ti's answer helps thou. 

If an object has more negative charges than positive charges, the object has an overall

Answers

The object has an overall negative charge.
It will have an overall negative charge.

The corner where a perfume is initally sprayed has:A. Has no concentration of pefume particles.
B. the process of diffusion.
c. a lower concentration of perfume particles the the other corners of the room.
D. a higher concentration of perfume particles the the other corners of the room.

Answers

Answer D; if you spray perfume into a corner, it will eventually diffuse, but initially it has a higher concentration than all other corners of that room.
D. Since its initially sprayed there, it takes awhile to move to the areas of lower concentration, so for a while, it will have the highest

An organism's _______ describes its genetic composition. An organism's _______ describes its appearance or observable characteristics.A.
species; heredity
B.
genotype; phenotype
C.
heredity; species
D.
phenotype; genotype

Answers

B. 
genotype; phenotype

Genetic variation determines inherited  differences between individuals . Our height or eye color are inherited from our parents, but our phenotype is also affected by environment such as the food we eat (diet), drugs we take, toxins surrounding us, climate, location, culture, physical accidents and lifestyle.

Answer: Option B

Explanation: Any organism can be defined by two factors one is its genotype and other one is its phenotype.

The genetic composition of the body of an organism can be said as its genotype. The genes are present inside the cell and determines the physical characters of an organism.

The phenotype can be defined as the physical appearance of the organism. Example: height, color of the organism.

If you went to the moon, how would your mass change relative to your mass on Earth?It would be the same on the moon as on Earth

It would increase because of less gravity

It would decrease because of less gravity

None of the above

Answers

Answer:

Explanation:

you are on the moon or on Earth. Mass is an intrinsic property of matter and is a measure of the amount of matter in an object. It does not depend on the location of the object or the gravitational field it is in. Therefore, your mass would be the same on the moon as it is on Earth.

It would be the same on the moon as on Earth
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Which of the following is true about mixtures?A) Mixtures consist of two or more substances chemically combined. B) Mixtures cannot be separated by physical means. C) Mixtures consist of only one kind of atom. D) Mixtures have to or more substances mixed together, but are not chemically combined.