Chemistry Block 1

Question 1

Name a liquid metal

Answer 1

Mercury

Question 2

Name 3 physical properties of a metal

Answer 2

Melting/boiling points

Solubility

Conductivity

Question 3

Name the only non metal which conducts electricity

Answer 3

Carbon

Question 4

Which metal has a green flame and which metal has a yellow flame

Answer 4

Green copper

Yellow sodium

Question 5

What is the test for oxygen gas

Answer 5

To relight a glowing splint

Question 6

What do the endings ide ate and ite mean

Answer 6

Ide two elements

Ite two or more elements plus oxygen

Ate two or more elements plus oxygen

Question 7

What does the arrow in a word equation mean

Answer 7

Goes to

Question 8

What are always on the left hand side of a word equation

Answer 8

Reaction

Question 9

What are always on the right hand side of a word equation

Answer 9

Products

Question 10

Write the word equation for metal added to water

Answer 10

Metal + water ➡️ metal hydroxide + hydrogen

Question 11

Write the word equation for sodium added to water

Answer 11

Sodium + water ➡️ sodium hydroxide + hydrogen

Question 12

Which metal is most reactive with dilute acid

Answer 12

Potassium

Question 13

Write the word equation for a metal plus acid

Answer 13

Metal + acid ➡️ salt + hydrogen

Question 14

What is a salt

Answer 14

A chemical made when the hydrogen found in an acid is replaced by a metal

Question 15

Name the salt formed when magnesium reacts with hydrochloric acid

Answer 15

Magnesium chloride

Question 16

Name a metal near the top of the reactivity series

Answer 16

Potassium

Question 17

Name a metal near the bottom of the reactivity series

Answer 17

Gold

Question 18

What is a displacement reaction

Answer 18

When a metal high up in the reactivity series replaces a lower down metal

Question 19

Write the word equation for the displacement reaction zinc plus lead nitrate

Answer 19

Zinc + lead nitrate ➡️ lead + zinc nitrate

Question 20

What is reduction

Answer 20

A metal extracted from its ore

Question 21

What is an ore

Answer 21

A metal oxide (metal combined with O2)

Question 22

Name 3 ways metals can be extracted from their ore

Answer 22

Heat

Heat and carbon

Electricity

Question 23

What is electrolysis

Answer 23

To split electricity

Used to extract metals from their ores

Question 24

Name two products of the electrolysis of copper chloride

Answer 24

Copper

Chlorine gas

Question 25

At which electrode will each product be produced

Answer 25

POSITIVE chlorine gas bubbles NEGATIVE copper Opposites attract Copper has positive ions so is attracted to the negative electrode

Question 26

Name a metal element

Answer 26

Iron, zinc, tin......

Question 27

Identify a metal stored under oil

Answer 27

Potassium

Question 28

Identify a metal found uncombined in the earths crust

Answer 28

Silver and gold

Question 29

Name a gas present in the air which can react with metals

Answer 29

Oxygen

Question 30

The gas produced when lithium reacts with water

Answer 30

Hydrogen

Question 31

Two properties of copper which make it good for wire

Answer 31

It's a good conductor of electricity It's flexible - ductile

Question 32

Two properties of aluminium which makes it good for pots

Answer 32

Conducts heat It's light

Question 33

What is the rest for hydrogen gas

Answer 33

It burns with a squeaky pop