PH Lesson

Examples of internal environment in organisms body are ...

• water

• Temperature

• pH value

• blood pressure

Tags

NGSS.MS-LS1-3

Which of the following can regulate water in the plant?

• Diffusion

• Transpiration

• Respiration

• Photosynthesis

The measure of concentration of H+ in a solution.

• pH

• base

• solute

• hydrogen bond

Mixtures that can react with acids or bases to keep the pH within a particular range.

• acid

• ph

• buffer

• solvent

Substances that release hydrogen ions when they are dissolved in water.

• solvent

• base

• acid

• pH

Which of these sodium compounds is a base?

• Sodium Chloride

• Sodium Hydroxide

• Sodium Bromide

• Sodium Iodide

Potassium Hydroxide is a strong base. What would be its pH when dissolved in water?

• 1

• 5

• 8

• 14

An alkaline solution has a ph...

• less than 7

• more than 7

• equal to 7

• between 3 and 7

To reduce the acidity of the soil, lime is used. Lime is a

• base

• acid

• fossil fuel

• fruit

What is the pH of a neutral solution at 25°C?

• 0

• 7

• 14

• 10