Basic Facts
pH Scale
Acids/Bases
Measuring pH
pH
100
What is a solution with a pH of less than 7 classified as?
What is acid.
100

What is the range of the pH scale?

What is 0-14.

100

Acids increase the number of positively charged ______ ions when dissolved in water.

What is hydronium ions or H30+?

100

What is the purpose of an indicator?

What is identify the pH number of a substance through a paper dye turning different color.

100

What does pH stand for

What partial Hydrogen

200
.What happens when mixing bases and acids together?
What is it can cancel out or neutralize their effects
200

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

What is base or (Alkaline).

200

When acids dissolve in water they can form ions which allow it to

What is conduct electricity

200

Name one example of an strong acid.

What is hydrochloric acid, sulfuric acid (many other answers)

200

This equation below describes what?

 H+ ions + H2O --> H3O+

What is acids

300
What is a solution with a pH of greater than 7 classified as?
What is base.
300

A pH value under 7 is more acidic than the higher value. True or False?

What is true.

300

Bases increase the number of negatively charged _______ ions when dissolved in water.

What is hydroxide ions or OH- ions?

300

Name one example of a strong base.

What is sodium hydroxide, calcium hydroxide? (many other answers)

300

This equation below deals with H2O + ammonia --> OH- + H+ ions

What is bases

400
What is it called when acidity and basicity are balanced?
What is neutral.
400

Why is pure water natural?

What is neither acidic nor basic in its natural state.

400

Is a strong or weak acid/base formed when all particles break apart to form either hydronium or hydroxide ions in water.

What is strong acids/bases

400

What number on the pH scale represents a strong alkaline and give an example :)

14 and ammonia 

400

Fill in the blanks below Acid + Base --> _______ + ________

What is salt plus water

500

What do the letters pH represent?

What is potential  Hydrogen.

500

Name 1 of 3 different ways (indicators) to find the pH or something 


pH indicator drops
Litmus paper
pH paper
red cabbage indicator


500

The ______ of an acid or base depends on the percentage of its particles that break apart to form ions in solution.

What is strength?

500

_____ is an ionic compound that forms from the negative ion of the acid and the positive ion of the base.

What is a salt

500

2 common materials with a pH more than 10?

What are bleach, Windex, other cleaning materials

M
e
n
u