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nikklg [1K]
3 years ago
6

Cellulose and starch are examples of:

Chemistry
2 answers:
SCORPION-xisa [38]3 years ago
7 0
Answer d. polysaccharides
mixer [17]3 years ago
3 0

Answer:

The choose (d)

d. polysaccharides

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In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some properties of one element in particular tha
Fofino [41]

Answer:

Carbon

Explanation:

Carbon has four electrons in its valence shell, so it generally shares it in a covalent bond. This element needs four electrons to be stable, so it can form single (such as the bond with hydrogen), double (such as the bond with oxygen) or triple bonds (such as the bond with nitrogen).

It can also form bonds with other carbon, and they can form longs chains, that's why there are a lot of organic compounds (the compounds with carbon). Carbon can form rings too, such as in benzene.

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3 years ago
When molten candle wax solidifies is that a chemical reaction or not?l
andrey2020 [161]

Yes, when molten candle wax solidifies it is a chemical reaction

<u>Explanation:</u>

Basically Wax is crystalline so once the candle light melts it freezes taking back the solid state to the room temperature.

When the room temperature is below the freezing point, the liquid candle wax, turns into solid state again, therefore this process is called solidification. The process of freezing or solidification is a process when an object turns liquid and freezes back to solid state.

Indeed, Yes, when molten candle wax solidifies it is a chemical reaction

3 0
3 years ago
When Na and Cl combine to form a compound, which atom(s) will become a cation?
vivado [14]
Na only because cation is a positive ion whole cl is a negative ion in anion
8 0
3 years ago
Read 2 more answers
Please Help Asap! :)
Assoli18 [71]

i think its the last one

4 0
3 years ago
In clinical applications, the unit parts per million (ppm) is used to express very small concentrations of solute, where 1 ppm i
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Answer: 25 μg of calcium in a total volume of 57 mL to ppm is 0.4386ppm

Explanation:

Please see the attachments below

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3 years ago
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