Whether a solution is acidic or basic can be measured on the pH scale. When universal indicator is added to a solution, ... Record the color of the indicator, the number of toothpicks of citric acid, ...

Citric acid is commonly used in food preservation, cleaning products, and skin care. ... This means it is a relatively weak acid. The pH scale spans 0–14, with 7 being neutral.

The acids are citric acid, which tastes a little sour, and acetylsalicylic acid, which is aspirin. The base is baking soda, which is also known by its chemical name sodium bicarbonate. Tell students ...

However, far from being a strong acid, citric acid is a weak acid. Its pH level sits somewhere between three and six with 0 on the pH scale being very strong and seven being very weak.

Industrially, it’s often used as a preservative, or as a pH regulator in large-scale food production. ... Use citric acid as you would more familiar seasonings—sparingly but often.

Scientists use the pH scale to measure the acidity of a solution. A solution can have a pH level between 0 and 14. ... Lemon juice contains citric acid and has a pH of around 2.35.

Citric acid, also known as “sour salt,” is a colorless, weak, organic acid. I know, it sounds like a poisonous substance, but it’s a low-level acid that’s both safe and strong enough to ...

Unlike its savory cousin, though, citric acid is so much more than a seasoning; it’s also a food-safe pH adjuster. Adding the smallest pinch to cake batter or biscuit dough enhances the ...