Ácido

The video tutorial explains the concept of acidity, focusing on pH values and how they indicate the strength of an acid. It describes how acidic compounds contain hydrogen and produce hydrogen cations when dissolved in water. The tutorial also highlights the ability of acids to react with bases to form salts.

What does a pH value less than 7 indicate about a substance?

• It is a base.

• It is a salt.

• It is neutral.

• It is an acid.

Which element is commonly found in acidic compounds?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon

What do acidic compounds produce when dissolved in water?

• Hydrogen cations

• Oxygen anions

• Sodium ions

• Chloride ions

What is a characteristic reaction of acids?

• Reacting with salts to form acids

• Reacting with water to form bases

• Reacting with bases to form salts

• Reacting with metals to form oxides

What is formed when acids react with bases?

• Water

• Acids

• Bases

• Salts