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Vilka [71]
3 years ago
11

What are five signs of chemical change

Chemistry
1 answer:
zlopas [31]3 years ago
7 0

Answer:color change, formation of a precipitate, formation of a gas, odor change, temperature change.

Explanation:

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How many types of ions must be present in solution, at minimum, for the phenomenon of selective precipitation to be observed? Yo
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Answer:

Two (2) types of ions

Explanation:

Metal ions (cations) and negatively charged ions (anions) of either chloride, carbonate, sulphides or hydroxides are present during the selective precipitation.

Majorly, the process determines the metal ions present by initiating precipitation as certain conditions.

I hope this was helpful.

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3 years ago
if an object is moving at a constant velocity and you want to change its momentum you would change its
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You would change the Acceleration! 

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4 years ago
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What do organisms have based on their functions?
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Unicellular organisms, cells perform all the basic actions and functions required for living like nutrition, respiration, reproduction etc.

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What is a type of radiation produced when the unstable nucleus of a radioactive element emits a helium nucleus?
mamaluj [8]
Es la respuesta C. Alpha radiation
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3 years ago
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What is the electron geometry of PF3?
deff fn [24]

Answer:

PF3 has a trigonal pyramidal molecular geometry.

Explanation:

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3 years ago
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