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bagirrra123 [75]
3 years ago
15

A science teacher showed the class how potassium chromate changes color when it’s temperature change . Which of the following st

atements accurately supports whether potassium chromate had a physical or chemical change
Chemistry
1 answer:
GarryVolchara [31]3 years ago
8 0

Answer:

its b

Explanation:

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When a person looks at a bright light, tiny muscles in the eye contract so less light can enter the eye.
bagirrra123 [75]

Answer:

involuntary, attached to the eyeball, nonstriated.

Explanation:

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Harlamova29_29 [7]

Answer:

2Ag + H2O -----> Ag2O + 2H

Explanation:

2Ag + H2O -----> Ag2O + 2H is the equation of the reaction between metal and steam. Silver reacts with water (steam) forming silver oxide and hydrogen gas. When the metals react with steam it produces the solid metal oxide and hydrogen gas. On the surface o metals, a protective layer of aluminium oxide is formed that keeps water away from the metal so we can say that silver oxide and hydrogen are formed from the reaction of silver metal and steam.

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Resolution is the ability to distinguish two objects from each other. Light microscopy has limits to both its resolution and its magnification.

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In which state of matter is there no particle movement
Alex
Salutations!

In which state of matter is there no particle movement

Solid is the state of matter that has no particle movement. Solid is tightly packed, rigid, and does not takes the shape of the container. The only movement that they have is the vibration movement, otherwise, it is still and has no particle movement.

Hope I helped (:

Have a great day!
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3 years ago
A rock that is made of coarse-grained particles arranged into bands is found. What type of rock is it?
Ne4ueva [31]
Igneous Rock because all those ingredients are in them

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