2b- Reaction Rates, Salts, and Electrolysis

Question 1

What is an acid?

Answer 1

pH less than 7

Form H+ (hydrogen) ions in water

Question 2

What a base?

Answer 2

A substance with a pH greater than 7

Question 3

What is an alkali?

Answer 3

A base that dissolves in water
pH over 7
Form OH- (hydroxide) ions in water

Question 4

What is the neutralisation reaction word equation between acids and bases?

Answer 4

acid + base -> salt + water

Question 5

What is the neutralisation reaction symbol equation between acids and bases? hint: hydrogen+hydroxide

Answer 5

H+ (aq) + OH- (aq) -> H2O

Question 6

What’s the word equation for the reaction of metals and acids?

Answer 6

Acid + metal -> Salt + Hydrogen

Question 7

How do you test for oxygen?

Answer 7

Relight a glowing splint

Question 8

How do you test for hydrogen?

Answer 8

It makes a popping noise when lit

Question 9

What is the cation and what is it drawn to?

Answer 9

The positive ion which is drawn to the (negative) cathode

Question 10

What is the anion and what is it drawn to?

Answer 10

The negative ion which is drawn to the (positive) anode

Question 11

What does PANIC stand for?

Answer 11

Positive
Anode
Negative
Is
Cathode

Question 12

What does OIL RIG stand for?

Answer 12

Oxidation
Is
Loss

Reduction
Is
Gain