3 years ago

Why is Iron found as an Ore in the Earth

1 answer:

7 0

$\huge \orange {\mathbb {Answer}}$

Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron. Copper ore is mined for a variety of industrial uses. Copper, an excellent conductor of electricity, is used as electrical wire.

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A solid has shape and volume?

tia_tia [17]

Answer:

A solid has a definite volume and shape, a liquid has a definite volume but no definite shape, and there is no definite volume or shape of a gas. Usually, the transition from solid to liquid does not change a substance's volume substantially.

Explanation:

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2 years ago

12. Calculate the hydroxide ion concentration of a solution with pH = 10.25. Show all calculations leading to an answer.

Alex787 [66]

PH= log[H3O+]
10.25=log [H3O+]
[H3O+] = 10^10.25
[H3O+]= 1.778 ×10^10

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3 years ago

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Is it possible for a balloon with an initial internal pressure equal to 250.0 kPa

MrRa [10]

No, don't try, it will explode close to 187 kPa

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3 years ago

Which of the following is an elastic force

AleksandrR [38]

Answer:

C is the correct answer

Explanation:

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3 years ago

On a cold morning, the smoke coming out of a chimney is observed to be in blue color. What could be the reason? Name the effect

nirvana33 [79]

Stack effect? I'm not totally sure about this...

Explanation:

Large amount of tiny particles of water droplets, dust and smoke are present on a misty day. These tiny particles in the air scatter blue colour of white light passing through it. When this scattered light reaches our eyes, the smoke appears blue.

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3 years ago