List of solid mixtures in a classroom

Answers

Answer 1

Answer:

A mixture is a combination of two or more substances which are bound chemically. Identities of each substance is retained in the mixture.

Solid-solid mixture is sub-type of mixture which are formed by mixing two or more solids.

For example, soil (mixture of sand, silt, clay etc), gun powder (mixture of carbon, potassium nitrate, sulphur), etc.

Similarly, in class various solid mixtures are found such as:

Chalk is mixture of calcium carbonate, silt and clay.
Concrete is a mixture of cement, lime, sand, rocks, and water.
Stationery such as pen, pencil, sharpener, etc also come under solid mixtures.
Alloys are also considered as homogeneous mixture. So, bronze, brass etc found in electrical appliances are also an example of solid mixtures.

Answer 2

Answer: There are many things like that. Such as desks, chairs and blackboards. Almost every solid thing in a classroom is a mixture. So you can list whatever you want.

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Answers

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Answers

Gas and/or Temp change or color change

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Answers

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3.19 raised to the 9th

A dependent variable isa. directly changed by the experimenter.
b. manipulated by changes to the independent variable.
c. a variable that is kept constant.
d. a variable that is used as a control

Answers

b.

a dependent variable depends on the independent variable

a dependent variable depends on the independent variable

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Answers

An ecological system consisting of all of its biotic and abiotic factors is an B. ecosystem.

Answer:

B) Ecosystem

Explanation:

I took the quiz.

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Answers

They lose the ability to gain nutrients.

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