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Theory of Acids and Bases PrepaTec CCM

Video Quiz

In this activity, we will remember the different theories about acids and bases as well as their characteristics, pay attention to the video and answer the questions.

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Theory of Acids and Bases PrepaTec CCMVersion en ligne

In this activity, we will remember the different theories about acids and bases as well as their characteristics, pay attention to the video and answer the questions.

par Laura Aurora Nuñez Sierra
1

Which are the correct pH scales for acids, bases/alkaline and neutral substances?

2

How can we measure quantitatively (numerically) the pH level of a substance?

3

Which are the products of a neutralization reaction between a strong acid and a strong base?

4

Which of the following statements is correct for properties of acids and bases?

5

Which of the following are examples of base/alkaline solutions??

6

According to the Arrhenius theory, which is the correct definition of an acid and a base?

7

According to the Brönsted-Lowry theory, which is the correct definition of an acid and a base?

8

According to the Lewis theory, which is the correct definition of an acid and a base?

Explanation

Acids pH 7, neutral pH=7.0

To measure quantitatively (numerically) the pH level of a substance, you need to use a pH meter.

In a neutralization reactions, the products are water and salt.

Acids are metal corrosive, turn litmus paper red, and taste sour. Bases feel slippery to touch, turn litmus paper blue and have a bitter taste.

Drain cleaners (Drano) and anti-acids tablets (Tums) are examples of base/alkaline solutions.

An acid, when dissolved in water, delivers hydrogen ions (H+). A base, when dissolved in water, delivers hydroxide anions (OH-).

An acid is a proton donor, and a base is a proton acceptor. A proton is a hydrogen ion (H+) and does not have to be in water.

An acid is a molecule that accepts a pair of electrons, while a base is a molecule that donates a pair of electrons.

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