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katen-ka-za [31]
4 years ago
9

Which of the following is a homogenous mixture of two or more pure substances?

Biology
2 answers:
STALIN [3.7K]4 years ago
8 0
If not mistaken it’s A and B
Sidana [21]4 years ago
5 0

Hey there!

Coffee would be the correct answer. Here's why.

a) Alcohol - Compound

b) Water - Compound

c) Coffee - Mixture

d) Mercury - Pure substance

Hope this helps!

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Answer:

The 11 positive protons cancel out the 11 negative electrons, and the overall charge of the atom is zero. So it neutral

Explanation:

I hope this helps!!

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3 years ago
The-attraction of the positive side of one water
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Answer:

B = hydrogen bonding

Explanation:

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Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial negative.  The partial positive end of one water molecule attracted towards the partial negative end of other moleucle. The attraction between them is called hydrogen bonding. In this way large mole are connected with each other. Hydrogen bonding is actually a weak bonding.

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The most common way sedimentary rocks are formed is?
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