N5 Chem Topic 2

Question 1

If a substance is insoluble what is it?

Answer 1

Neutral

Question 2

If a substance is soluble and a non metal what is it?

Answer 2

Acidic

Question 3

If a substance is soluble and a metal what is it?

Answer 3

Alkaline

Question 4

Write out the chemical formula for magnesium chloride

Answer 4

Mg Cl2

Question 5

Write out the chemical formula for nitrogen monoxide

Answer 5

NO

Question 6

Write out the chemical formula for zinc(II) hydroxide

Answer 6

Zn (OH)2

Question 7

Write out the chemical formula for sodium phosphate (use pg to help)

Answer 7

Na3 PO4

Question 8

What are the 4 second names that are known as bases

Answer 8

Oxides, hydroxides, carbonates and ammonia

Question 9

Alkalis have one ion in common, what is it

Answer 9

The hydroxide ion (OH-)

Question 10

All acids have one ion in common, what is it

Answer 10

The hydrogen ion (H+)

Question 11

Find the ionic formula for potassium hydroxide

Answer 11

K+ OH-

Question 12

Find the ionic formula for calcium hydroxide

Answer 12

Ca2+ (OH)2-

Question 13

Find the ionic formula for ammonium hydroxide

Answer 13

NH4+ OH-

Question 14

The chemical formula of all acids begin with a hydrogen ion and end with a group ion, apart from what

Answer 14

Hydrochloric acid, the only acid which does not have a group ion

Question 15

Ethanoic acid is different to the rest, why

Answer 15

Ethanoic acid has an H at the end of both formula instead of at the front of the formula like the rest

Question 16

Find the ionic formula of sulfuric acid (need pg8 in data booklet)

Answer 16

H2+ SO4 2-

Question 17

Find the ionic formula for nitric acid (need pg8 in data booklet)

Answer 17

HNO3-

Question 18

Find ionic formula for ethanoic acid (need pg8 in data booklet)

Answer 18

CH3 COO- H+