
What is a substance with a pH level of 9? - Answers
Jan 26, 2025 · A pH level of 9 is a substance that is considered a weak base or alkali. The opposite of an acid. A base is a substance with a molecular ending with OH. Baking soda can have a PH value of 9.
What is the actual pH of vinegar and how does it affect its ... - Answers
Feb 7, 2025 · The actual pH of vinegar is around 2.4 to 3.4. Its acidity gives vinegar its sour taste and helps with preservation and cooking. The low pH also makes vinegar a good cleaning agent and a …
Is pH more than 14 - Answers
Mar 3, 2025 · Yes, acids with pH below 0 and bases with pH above 14 are called superacids and superbases, respectively. The actual pH scale is only 0-14, but some acids and bases fall outside of …
Ph value of household items - Answers
Oct 23, 2024 · Explore the pH values of common household items, from acidic lemon juice to alkaline ammonia water, and learn about their unique properties.
What is the unit of measurement for pH? - Answers
Feb 7, 2025 · The unit of measurement for pH is a logarithmic scale ranging from 0 to 14 that measures the acidity or alkalinity of a substance.
What is the pH of caustic soda? - Answers
May 20, 2024 · A normal or neutral pH level is 7. Caustic soda is highly basic with a pH of between 13.5 and 15. Caustic soda is a dangerous base and should be handled carefully.
What is the pH of the stomach before and after consuming food?
Feb 6, 2025 · The pH of the stomach before consuming food is typically around 2, which is highly acidic. After consuming food, the pH of the stomach can increase to around 4 or 5, becoming less acidic.
What is the pH level of hydrochloric acid (HCl)? - Answers
Feb 7, 2025 · The pH level of hydrochloric acid (HCl) is very low, typically around 0 to 1, indicating a strong acidity.
What is the optimum pH for catalase activity? - Answers
Feb 6, 2025 · The optimum pH for catalase activity is around pH 7, which is neutral. Catalase works best at this pH level to break down hydrogen peroxide into water and oxygen.
Are there any acids with a pH of 0? - Answers
Jan 26, 2025 · The pH range of an acid is typically below 7 on the pH scale. Strong acids have a pH closer to 0, while weak acids have a pH closer to 7.