acids and bases
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Wayground Content
Used 3+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.
2.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.
3.
FLASHCARD QUESTION
Front
What is pH?
Back
pH is a scale used to measure the acidity or basicity of a solution, ranging from 0 (strongly acidic) to 14 (strongly basic), with 7 being neutral.
4.
FLASHCARD QUESTION
Front
What is a strong acid?
Back
A strong acid is an acid that completely dissociates in water, releasing all of its protons (H+). Examples include hydrochloric acid (HCl) and sulfuric acid (H2SO4).
5.
FLASHCARD QUESTION
Front
What is a strong base?
Back
A strong base is a base that completely dissociates in water, releasing all of its hydroxide ions (OH-). Examples include sodium hydroxide (NaOH) and potassium hydroxide (KOH).
6.
FLASHCARD QUESTION
Front
What is a weak acid?
Back
A weak acid is an acid that partially dissociates in water, meaning not all of its protons (H+) are released. Examples include acetic acid (CH3COOH) and citric acid.
7.
FLASHCARD QUESTION
Front
What is a weak base?
Back
A weak base is a base that partially dissociates in water, meaning not all of its hydroxide ions (OH-) are released. Examples include ammonia (NH3) and sodium bicarbonate (NaHCO3).
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