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3 years ago

Why is petrified wood considered a fossil?

Chemistry

2 answers:

earnstyle [38]3 years ago

5 0

Answer:

Petrified wood was part of a plant that has been changed into rocks.

Explanation:

Yeet

Novosadov [1.4K]3 years ago

3 0

Answer:

it can be changed into rocks

Explanation:

im 100% sure

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Which of the following describes what happens to the atom that was displaced in the reactant compound during a single replacemen

Marysya12 [62]

Answer: It becomes the uncombined element in the product.

Explanation:

The reaction between Zn and HCl is a single displacement reaction according to equation below

Zn + 2HCl —> ZnCl2 + H2

Zn displaces H2 from acid and in the product, hydrogen became the uncombined element.

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The most important ore of aluminum is _____ show the chemical formula .

3241004551 [841]

Answer:

The most important ore of aluminum is<u> Bauxite.</u>

And its chemical formula is $Al_2O_3.2H_2O$ .

Explanation:

Bauxite is the most important ore of Aluminium from which Aluminium is extracted. Bauxite is a rock and composed of Aluminium bearing mineral.

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It contains Gibbsite, Bohmite and Diaspore along with iron.

It is a soft material with somewhat white to grey to reddish brown in colour.

It has an earthy lustre and low specific gravity.

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A boy walking in the street potential or kenetic energy?

qwelly [4]

Kinetic

because the boy is walking in the street soo it has force to use

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A washing powder contains sodium hydrogencarbonate

Vladimir [108]

False.
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