Which of the following is an example of a physical change in matter?

Chemistry

2 answers:

sineoko [7]3 years ago

5 0

Answer is B.

Explanation:

A physical change is one in which there is no change in chemical composition of a substance. while a process in which there is change in chemical composition it is called a chemical change.

dsp733 years ago

5 0

b. bending of sodium metal because it is still sodium metal just bent

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Categorize the following reaction as an acid-base neutralization, precipitation, combination, decomposition, combustion, displac

lara [203]

Answer:

Precipitation

Explanation:

Let's consider the balanced chemical equation between barium acetate and sodium carbonate to form barium carbonate and sodium acetate.

Ba(C₂H₃O₂)₂(aq) + Na₂CO₃(aq) → BaCO₃(s) + 2 NaC₂H₃O₂(aq)

Both products and reactants are salts. But, among the products, barium carbonate is solid. This allows us to classify it as a precipitation reaction.

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3 years ago

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Fynjy0 [20]

changing the bonds changes the mass.

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3 years ago

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riadik2000 [5.3K]

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