Acids and Bases

Acids

100

Acids change litmus paper this colour...

What is red?

200

Physical properties of acids include: conducts electrical current and has a __________ taste.

 sour

300

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

hydrogen ions

400

This chemical property of acids eats away and destroys things.

Corrosive

500

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

conduct electricity

Bases

100

Bases turn litmus paper this color...

blue

200

_____ have a high pH of around 11-14.

Strong bases

300

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

hydroxide ions or OH- ions

400

This type of base helps when your stomach hurts

antacids

500

Why should you never touch a strong base?

It could be corrosive

Acids/Base Reactions

100

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

What is salt plus water?

200

What are the products?

H₂SO₄(aq) + KOH(aq) ------->

K₂SO₄(aq) + H₂O(l)

300

______ have a pH around 1-2.

strong acids

400

What is the product(s)?

CaO(s) + H₂O(l) -------> 

Ca(OH)₂(aq)

500

_____ have a pH between 5-10.

Weak acids/bases