2.2 ACIDS, BASES AND SALTS

Question 1

WHAT ARE THE THREE CATEGORIES FOR CHEMICAL SOLUTIONS?

Answer 1

Acid, alkaline and neutral

Question 2

WHAT IS USED TO FIND THE pH OF A SOLUTION?

Answer 2

Universal indicator

Question 3

WHAT IS THE PRODUCT OF AN ACID AND AN ALKALI (HYDROXIDE)?

Answer 3

Salt and water

Question 4

WHAT IS THE PRODUCT OF AN ACID AND A METAL?

Answer 4

Salt and hydrogen

Question 5

WHAT IS THE PRODUCT OF AN ACID AND A METAL HYDROXIDE?

Answer 5

Salt and water

Question 6

WHAT IS THE PRODUCT OF AN ACID AND A METAL CARBONATE?

Answer 6

Salt and water

Question 7

WHAT DOES FILTRATION DO?

Answer 7

Produce a salt from a metal or an insoluble base

Question 8

WHAT DOES A TITRATION DO?

Answer 8

Produce a salt from soluble bases or carbonates

Question 9

WHICH ACIDS FULLY IONISE IN WATER?

Answer 9

Strong acids

Question 10

WHICH ACIDS DO NOT FULLY IONISE IN WATER?

Answer 10

Weak acids

Question 11

WHAT IS THE PRINCIPLE FOR THE STRENGTH OF AN ACID?

Answer 11

The higher the concentration of H+ ions the lower the pH scale

Question 12

WHAT IS THE EQUATION TO FIND DECIMETRES FROM CENTIMETERS?

Answer 12

Dm^3 = cm^3 / 1000

Question 13

WHAT IS THE EQUATION FOR CONCENTRATION?

Answer 13

Concentration = Moles / Volume

Question 14

WHAT COLOUR PRECIPITATE COMES FROM CHLORINE IN A SILVER HALIDE REACTION?

Answer 14

White

Question 15

WHAT COLOUR PRECIPITATE COMES FROM BROMINE IN A SILVER HALIDE REACTION?

Answer 15

Cream

Question 16

WHAT COLOUR PRECIPITATE COMES FROM IODINE IN A SILVER HALIDE REACTION?

Answer 16

Yellow

Question 17

WHAT COLOUR PRECIPITATE COMES FROM COPPER IN A METAL HYDROXIDE REACTION?

Answer 17

Blue

Question 18

WHAT COLOUR PRECIPITATE COMES FROM IRON (II) IN A METAL HYDROXIDE REACTION?

Answer 18

Green

Question 19

WHAT COLOUR PRECIPITATE COMES FROM IRON (III) IN A METAL HYDROXIDE REACTION?

Answer 19

Brown