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melomori [17]
3 years ago
9

How might you separate a mixture of sand and salt?

Chemistry
1 answer:
sineoko [7]3 years ago
3 0
You can separate a mixture of salt and sand by...

First combing the mixture with water and mix thoroughly until the salt dissolves..

Then you could let the sand settle at the bottom of the salt water, so you can strain salt water to separate the sand from salt water...

To get salt... you would heat up the water to let it evaporate. When all the water is evaporated, the salt will be left behind
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A biology student set up an experiment to study 9 mice. On day 1, they were measured for weight and length. Then the mice were p
Sophie [7]
The independent variable would be the variable in the research that is being manipulated by the researcher. In this case, it would be temperature in the cage as it is what is being manipulated and changed in the research design. The dependent variable would be the variable that is being studied so, for this case, it would be the length and the weight of the mice. The constants are the factors that might affect the dependent variable but is held constant or the same by the researcher throughout the experiment. These are the size of the cage, amount of food and the exercise wheel. The flaw that the scientist would be studying the length of the mice since I don't think the temperature has any effect on it. And base from he results, the change in lengths are not conclusive.
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3 years ago
Consider the process in which HClO3 is converted to HClO2. The oxidation state of oxygen remains −2, and the oxidation state of
mixas84 [53]

Answer:

Option 1, Cl is reduced and gains electrons

Explanation:

HClO₃  → HClO₂

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8 0
3 years ago
One plus one hundred and thirty five
Makovka662 [10]

Answer:

Explanation:

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5 0
3 years ago
Which organelle if empty would cause the plant to wilt
valentina_108 [34]
The vacuole because the less water it has the more it will wilt<span>. The reason of it </span>wilting<span> is because the cells shrink which is the </span>cause<span> of </span>wilting<span>.</span>
8 0
3 years ago
Agraph of gas pressure versus the number of particles in a container is a straight line. Which other relationship will
9966 [12]

Answer:

<u>Volume versus temperature, because they are also directly proportional</u>

Explanation:

The <u>Ideal Gas Equation</u> is :

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<u>Evaluating the options</u>

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2 years ago
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