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IgorLugansk [536]
3 years ago
8

Which statement describes a change that occurs during a chemical reaction?

Chemistry
1 answer:
Sindrei [870]3 years ago
6 0

Answer - B Atoms in the original substances are arranged in a different way to make new substances

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Answer:

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Which statement best relates the strength and concentration of a base? At high enough concentrations, a weak base becomes strong
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Answer: Option (b) is the correct answer.

Explanation:

When there are more number of hydroxide ions in a solution then there will be high concentration of OH^{-} or hydroxide ions. As a result, more will be the strength of base in that particular solution.

A base is strong when it readily dissociate into its ions in the solution. When a base is strong, then it does not matter at what concentration it is dissolved in the solution because despite of its low concentration it will remain a strong base.

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