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Alcohol dissolves in water, oil
Why was it necessary to add alcohol (isopropanol) to precipitate DNA? This is because:
a. The alcohol sterilizes the DNA. b. The
1 answer
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Alcohol dissolves in water, oil does not. What is a likely explanation for this difference between oil and alcohol?
A rectangular
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Twilight lover
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is water used as a solvent in many solutions?
A.Water dissolves other water molecules. B.Water dissolves all chemical. C.Water
1 answer
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identify if the following changes are physical or chemical
1. cutting an apple 2. water changes to steam 3. sugar dissolves in
1 answer
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A 75% alcohol concentration mixture of water and alcohol was made by mixing 30ml of pure alcohol with 150 ml of original mixture
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Carllll needs help
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Why is water known as the "universal solvent"?
f It dissolves the greatest number of substances. g It dissolves all known
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EMILIANO
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Hydrogen chloride dissolves in water. The chemical change is:
HCl (gas) → H (in water) + Cl (in water) This change releases a
1 answer
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What causes ocean acidification?(1 point)
Responses Acidic oxygen dissolves in water, raising the water’s pH. Acidic oxygen
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Optional
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What causes ocean acidification?(1 point)
Responses Acidic oxygen dissolves in water, raising the water’s pH. Acidic oxygen
1 answer
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What causes ocean acidification?(1 point)
Responses a. Acidic carbon dioxide dissolves in water, lowering the water’s pH. b.
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o
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