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bagirrra123 [75]
2 years ago
9

Brittleness is a physical property that differs from one kind of material to another. truefalse

Chemistry
1 answer:
anzhelika [568]2 years ago
6 0

It is true that brittleness is a physical property that differs from one kind of material to another.

Physical qualities of a substance are those that can be seen without changing the substance's identity.

If a material splits under stress with low elastic deformation and little to no substantial plastic deformation, it is considered brittle.

Brittleness is a physical property as it alters the shape of the substance but not the identity of substance.

For example - the brittleness of chalk is different than the brittleness of glass. Thus we can say that the brittleness of chalk's material is different than the  brittleness of glass's material.

Learn more about brittleness -

brainly.com/question/21999939

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Why would you need a locating agent in an experiment to separate amino acids by chromatography
Nadusha1986 [10]

A locating agent is needed in an experiment to separate amino acids by chromatography as it helps to analyze colorless substances on paper.

<h3>What is chromatography?</h3>

Chromatography is an analytical method frequently used to separate a chemical mixture into its components, allowing for in-depth analysis of each component.

There are many different types of chromatography including liquid, gas, ion-exchange, and affinity chromatography, but they all use the same basic principle.

<h3>What is the use of a locating agent in Chromatography?</h3>

In paper chromatography, colorless compounds are examined using a locating agent.

It is a chemical that combines with colorless substances to produce colorful compounds that are easy to see for analysis. Ninhydrin spray is an example of a locating agent of this type.

Thus, a locating agent is used in an experiment to separate amino acids by chromatography as it helps in determining colorless substances on paper.

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5 0
2 years ago
What happens chemically when quick lime is added to water?
sineoko [7]

Answer:

CaO + H20 => Ca(OH)2

Explanation:

quick lime ia a oxyde and when it reacts with water it gives hydroxide

5 0
3 years ago
Read 2 more answers
HELP ASAP PLEASEEEEE!!!!! (serious answers only or i’ll report)
Sonbull [250]

Answer:

1st order

Explanation:

because magnesium has a coefficient of 1, it is first order

hydrochloric acid has a coefficient of 2, so it is second order

overall the reaction is third order (1+2)

5 0
3 years ago
How many valence electrons does an atom of rubidium (Rb atomic number 37) have? A.One B.Five C.Six D.37
nadezda [96]
Electronic configuration of Rb: 2.8.8.8.8.3
Valence electron is 3....
4 0
4 years ago
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What process is being shown by water being given off from each bond site?
34kurt
The process that is being shown by water being given off from a bond site is DEHYDRATION SYNTHESIS.
Dehydration synthesis is the process of joining two molecules or compounds together as a result of removal of water.
4 0
4 years ago
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