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Ratling [72]
3 years ago
10

15. A politician campaigning for election guaran tees that "every household will have 100\% pure water from every tap." Evaluate

this prom ise and predict the likelihood of its success .
Chemistry
1 answer:
SIZIF [17.4K]3 years ago
6 0

Answer:

It is not possible to have 100 percent pure water. Therefore the success rate is not certain

Explanation:

Naturally, pure water does not exist. Water is a universal solvent. As water falls in to the earth as rain, from the atmosphere water picks up particles and minerals. Immediately water hits the ground it reacts with minerals from soil upon which it lands and then it enters into streams and rivers.

Hundred percent pure water is dangerous to life, because it has no minerals which makes it corrosive, if a hundred percent pure water enters the body it will suck off the minerals in the body.

The politician should make a promise of hundred percent pure water to the people in the industrial sector and laboratories because that is where it is useful.

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Answer: A. Limestone rocks dissolving in water

Explanation:

B: This is a physical change; it changes an object physically rather than chemically. It does not change the composition of the concrete, only the shape.

C: This is also a physical change because the water is just dragging sand with it, but not actually changing the composition of it.

D: Similar to option B, this is an example of physical weathering because the ice only divides the rock into different parts but doesn't change the composition or complexity of it.

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the correct scientist is rutherford


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If 224 g of iron reacts with oxygen, forming
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How many kg of solvent would contain 130 grams of ZnBr2 if the solution was 0.950 grams
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Answer:

0.00731 kg

Explanation:

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