pH Facts
pH Scale
pH in Real Life
100

What is a solution with a pH of less than 7 classified as?

Acidic/ an Acid

100

What is the range of the pH scale?

14

100

Is lemon juice acidic, basic, or neutral?

Acidic

200

What happens when mixing equal amounts of a base and an acid together.

Their effects cancel out/ they become balanced

200

The darker colors are located on the right side of the scale which is the _____ side.

Base/ Alkaline

200

Which is closer to neutral: water or soda?

Water


300

What is a solution with a pH of greater than 7 classified as?

Basic/ A Base

300

Enzymes have an optimal pH at which they function best; moving too far from this pH can change their shape and reduce their activity. This phenomenon is called what.


Denaturation

300

Why can sour candies be rough on your teeth if eaten too often?

Because they are acidic and can demineralize enamel/ dissolve enamel

400

This organ helps maintain blood pH by excreting hydrogen ions and reabsorbing bicarbonate from urine.


Kidneys

400

Why are strong acids (such as hydrochloric and sulfuric acid), and strong bases (such as lithium hydroxide, sodium hydroxide) 

Acids burn your skin, Bases dissolve your skin

400

Why is it a good idea to drink water after eating acidic or sugary foods?

To help wash away acid and protect teeth

500

What do the letters pH represent?

Power of Hydrogen.

500

One natural way to measure pH is Litmus paper, what is litmus paper made of

Lichen dyes (they change colour after they are exposed to either acidity/ basicity)

500

2 common household substances that have a low pH, and a high pH respectively and is often used both in cooking and cleaning because it can dissolve mineral buildup/ neutralize odours


Vinegar, Baking Soda 

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