Making Salts

Question 1

What are the 4 state symbols?

Answer 1

s
l
aq
g

Question 2

Which 3 things can be reacted with acids to produce salts?

Answer 2

Metal
Alkali
Insoluble base

Question 3

Why are metals not always good for making salts using acids?

Answer 3

Some are too reactive, while others aren’t reactive enough

Question 4

How do you make a salt using an acid and an insoluble base?

Answer 4

Add the base until no more reacts, then filter the excess solid off

Question 5

How do you make a salt using an acid and an alkali?

Answer 5

Use universal indicator to show when they have completely reacted

Question 6

How can you produce solid salts from salt solutions?

Answer 6

Crystalise the salt solution (evaporate)

Question 7

How can insoluble salts be made?

Answer 7

By mixing appropriate solutions of ions so a precipate forms

Question 8

To get XY (insoluble) salt what do you do?

Answer 8

Mix X nitrate with sodium Y

Question 9

How do you remove a precipate?

Answer 9

Filter

Question 10

When is precipitation useful?

Answer 10

Treating water for drinking

Question 11

What are alkalis?

Answer 11

Soluble hydroxides

Question 12

What is a precipate?

Answer 12

A solid suspended in a solution