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Tcecarenko [31]
3 years ago
11

Which of the following involves a chemical change?

Chemistry
2 answers:
Misha Larkins [42]3 years ago
8 0

Answer:

A

Explanation:

no explanation. just choose answer A

Liula [17]3 years ago
7 0

Answer:

A.

Explanation:

hehe plss give me a heart

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(03.05 LC)
Ainat [17]

Answer:

The correct answer is 4

Explanation:

Boron trifluoride (BF₃) has a molecular geometry (as shown in the image in the question) referred to as trigonal planar; this is because each of the the fluorine atoms/molecules (bonded to the central boron atom) is placed in such a way that they form the three "end points"/"domains" of an equilateral triangle. Hence, the correct option is the last option.

7 0
3 years ago
The movement of charged particles cannot pass through an electrolyte to produce an electric current.
Rus_ich [418]

The movement of charged particles cannot pass through an electrolyte to produce an electric current.


True

False


FALSE

5 0
3 years ago
Some plants make cones. Other plants make flowers. What is the purpose of flowers and cones
Semenov [28]

Answer:

Both cones and flowers produce seeds and are used for reproduction. ... The male cones release pollen which is carried by the wind to a female cone. A pollen tube is formed and pollen is transferred to fertilize the female cone's egg

5 0
3 years ago
Identify the biotic factors in the picture.
snow_lady [41]
A) Deer
D) Grass
Hope that helps you out (:
3 0
3 years ago
What is the substance that is formed when the acid react with bases in a neutralization reaction?​
Leya [2.2K]

Answer:

Water and Salt

Explanation:

A neutralization reaction occurs when an acid and a base react to produce water and a salt, and it entails the formation of water from the mixture of H+ and OH- ions.

4 0
3 years ago
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