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- place a sample in a refrigerator
- place a sample in liquid nitrogen

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Is cool down hyphenated?

The term "cool down" is typically written as two separate words when used as a verb phrase, as in "to cool down." However, when used as a noun or adjective, it can be hyphenated as "cool-down," such as in "a cool-down period."


The two phases of cool down are?

The two phases of cool down are active cool down and passive cool down. Active cool down involves low-intensity exercises to gradually lower heart rate, while passive cool down involves activities like stretching and deep breathing to help the body recover. Both phases are important for reducing muscle soreness and preventing injury.


What are two substances in gold?

None gold is an element which can not be broken down into smaller substances.


What a meaning a mixtures in science?

A mixture contain two or more uncombined substances, able to be separated by physical methods.


What are two methods used to decompose something?

to break down or to digest


In the absences of water what are for itemsthat could cool down a burn?

Butter and aloe vera are two things that can cool a burn down in the absence of water.


What is a change in which one or more substances are converted into two substances?

A decomposition reaction is a change in which one substance is broken down into two or more substances. This type of reaction is the opposite of a combination reaction, where two or more substances combine to form one product.


Which two substances cannot be broken down by chemical change?

Two substances that cannot be broken down by chemical change are elements and compounds. Elements are fundamental building blocks of matter that cannot be broken down into simpler substances by chemical reactions. Compounds are made up of two or more different elements chemically bonded together in fixed ratios, and they also cannot be broken down into simpler substances by chemical reactions.


Because carbon cannot be decomposed by simple chemical methods into two or more different substances what is it classified as?

Carbon is classified as an element because it consists of only one type of atom, which cannot be decomposed into simpler substances using chemical methods.


Mixtures are made of substances that are what?

Mixtures are made of two or more different substances that are physically combined and can be separated using physical methods, such as filtration or distillation. The substances in a mixture retain their individual properties and can exist in varying proportions.


What class of matter by composition can be simplified by physical methods?

Mixtures can be simplified by physical methods because they consist of two or more substances that are not chemically bonded. Techniques such as filtration, distillation, and centrifugation can separate the components of a mixture based on their physical properties. In contrast, pure substances, such as elements and compounds, require chemical methods for separation or simplification.


What is two or more substances in the same place that are not chemically combined?

A mixture is a combination of two or more substances that are not chemically bonded together. This means that the substances retain their individual properties and can be separated using physical methods such as filtration or evaporation. Examples of mixtures include salt water and air.