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zhenek [66]
3 years ago
15

Amber is a precious material used in jewelry. It forms when the resin of pine trees hardens into stone. Is amber a mineral

Chemistry
1 answer:
lyudmila [28]3 years ago
5 0
Amber is not a mineral because amber is a hardened resin of specific species of ancient trees which has been fossilized over many years.

hope this helps!
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Tincture of iodine has antiseptic properties. This solution is made by dissolving.
ser-zykov [4K]

Tincture of iodine has antiseptic properties and is made by dissolving iodine crystals in alcohol.

<h3>What are antiseptics?</h3>

Antiseptics are substance which prevent or stops the growth of microorganisms.

Microorganisms have been known to cause diseases, therefore the application of antiseptics are useful to prevent diseases.

An example of an antiseptic is tincture of iodine.

Tincture of iodine is prepared by dissolving iodine crystals in alcohol.

In conclusion, antiseptics are useful in the prevention of diseases by microorganism. An example of an antiseptic is tincture of iodine.

Learn more about tincture of iodine at: brainly.com/question/3209701

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7 0
2 years ago
What are the mountainous parts of the moon called? Question 3 options: craters terrae maria regolith
Xelga [282]

Answer:

The answer is Terrae

Hope this helps :)

plz mark brainliest :D

Explanation:

I go to K12

8 0
3 years ago
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An analytical chemist has determined by measurements that there are 8.5 moles of magnesium in a sample of talc. How many moles o
MrRissso [65]

There are 5.66 moles of hydrogen in the sample of talc(hydrated magnesium silicate).

Given,

Talc formula is  Mg_{3} Si_4O_{10} (OH)_2

moles of magnesium = 8.5 moles

The stoichiometry of magnesium and hydrogen is 3 : 2,

So 3 moles of magnesium is equivalent to 2 moles of hydrogen.

Then 8.5 moles of magnesium is equivalent to \frac{2}{3} *8.5=5.6666 moles

<h3>Talc </h3>

Talc(hydrated magnesium silicate), often known as talcum, is a type of clay mineral made up of hydrated magnesium silicate, having the formula Mg3Si4O10(OH)2. Baby powder is made of powdered talc, frequently mixed with corn starch. This mineral serves as a lubricant and thickening agent. It serves as a component in paint, pottery, and roofing materials. It serves as a key component in many cosmetics. It can be found as foliated to fibrous aggregates and in a remarkably uncommon crystal form. It is foliated with a two-dimensional platy form, has a flawless basal cleavage, and an irregular flat fracture.

Talc(hydrated magnesium silicate), the softest mineral, is assigned a value of 1 on the Mohs scale of mineral hardness, which is based on scratch hardness comparisons.

Learn more about Talc here:

brainly.com/question/24082743

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4 0
2 years ago
Name this alkane.
svetlana [45]

Answer:

no te entiendo pasa

Explanation:

no te entiendo pasa

7 0
3 years ago
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A(n) ________ Exposure is a short term or brief exposure that may create an immediate health hazard. A. Acute B. Chronic C. Emer
Yanka [14]
A(n) Acute exposure is a short term or brief exposure that may create an immediate health hazard. Answer: A)
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