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Neko [114]
3 years ago
12

What are the key requirements for a good hypothesis?

Chemistry
1 answer:
Ksivusya [100]3 years ago
4 0
Good questions,ideas,and observations
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7: How many times can a cell divide?
Mashutka [201]

Explanation:

60 times and it matters why they need to in order to divide

4 0
3 years ago
a certain skin lotion is a fine mixture of water and various oils. this lotion is cloudy and cannot be separated into oil and wa
PolarNik [594]

Answer: The skin lotion is a colloidal mixture of water and various oils.

Explanation:

Mixture: Blend of of two or more components which are chemically unreactive to give any product.

Mixture are defined as  of three types:

Solutions : Mixture in which one component is completely distributed in an other component resulting in clear mixture. They cannot be separated into its components on standing or by filtration.

Suspensions: Mixture in which one component is not completely or uniformly distributed in another component.They separate out into layers when kept undisturbed.

Colloids: Mixture in which one component is uniformly distributed in another component but the mixture formed is not clear. The color of mixture appears turbid or cloudy. They cannot get separated by filtration. They also cannot get separated into its components when left standing.

A skin lotion is a fine mixture of water and oils. it is a cloudy mixture and cannot be separated with help of filtration. Also its components also not separates out on standing. All these properties shown by skin lotion is of colloidal mixture.


3 0
3 years ago
Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube experiments?(1 point)
andrezito [222]
Atoms are indivisible.
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3 years ago
Draw the molecules for the following reaction:
OlgaM077 [116]
The answer is on the paper

3 0
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Can u help?? It's science and I'm in 6th grade
kvv77 [185]
Yeah I can help I'm an A student in science
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