Acid, Base & Salts Intro

What are the positively charged ions called?

• Hydronium ions

• Hydroxide ions

• Anions

• Cations

What type of bond is formed between water molecules due to their charged ends?

• Hydrogen bond

• Ionic bond

• Covalent bond

• Metallic bond

What ions does water dissociate into?

• Cations and Anions

• Potassium and Chloride ions

• Hydronium and Hydroxide ions

• Sodium and Chloride ions

Tags

NGSS.HS-ESS2-5

What is an acid's effect on an aqueous solution?

• Releases a hydrogen ion or increases the concentration of hydrogen ions

• Neutralizes the solution

• Increases the concentration of hydroxide ions

• Decreases the concentration of hydrogen ions

Which of the following is a strong acid?

• Sodium Hydroxide

• Hydrochloric Acid

• Baking Soda

• Ammonia

What does the pH scale measure?

• The concentration of hydrogen ions

• The saltiness of a solution

• The temperature of a solution

• The concentration of hydroxide ions

What pH value indicates a neutral solution?

• 7

• 0

• 10

• 14

What is formed from the reaction of an acid with a base?

• Oxygen

• Water

• Another acid

• Salt

Which salt is mentioned as important in the body for muscle contraction?

• Sodium Chloride

• Both Sodium Chloride and Potassium Chloride

• Calcium Chloride

• Potassium Chloride

What happens to the balance of ions when a base is added to a solution?

• Increases the number of hydrogen ions

• Decreases the number of hydroxide ions

• Shifts in favor of the negative hydroxide ions

• Remains unchanged

Tags

NGSS.HS-PS1-2