9f

Question 1

How does a physical explosion happen

Question 2

How does a chemical explosion happen

Question 3

What are the differences between an physical change and a chemical reaction

Question 4

Using the particle model explain gas pressure and how it could be changed

Question 5

What is the reactivity series

Question 6

How do people decide where to put a metal on the reactivity serires

Question 7

Give the equations for metals reacting with water

Question 8

Give the equation for metals reacting with oxygen

Question 9

Give the equation for metals reacting with dilute acids

Question 11

Describe the arrangement of the periodic table and where metals are arranged

Question 12

What’s the Sub-atomic particles

Question 13

Describe the basic structure of a atom

Question 14

What are atomic numbers

Question 15

What is the mass number of an atom

Question 16

How are electrical charges in an atom like

Question 17

How do chemical reactions take place due to atoms

Question 18

How does oxygen support for chemical reactions taking place

Question 19

Describe the format of how an element is presented on the periodic table

Question 20

Name a fairly reactive and I reactive metal

Question 21

Name the process in witch gunpowder for fireworks is produced and worked

Question 22

Describe the differences between an larger and smaller surfaced area’s solid reaction

Question 23

Define exothermic reaction

Question 24

Define endothermic reactions

Question 25

Define neutralisation reactions

Question 26

Describe the test for oxygen

Question 27

What are hydrocarbons and give an example whilst giving the process of such with equation

Question 28

Why do endothermic and exothermic reactions need energy supply and describe the proccess

Question 29

define the way to express one number of the percentage of the other

Question 30

finish the equation ( Fuel (Methane) + oxygen → ______________ )

Question 31

finish the equation ( metal + oxygen → ___________ )

Question 32

define how oxides gain mass when formed use "the law of conservation of mass" in your awnser8

Question 33

define "thermal decomposition" and give an example with copper (use the equation in your awnser)

Question 34

Define the formula to percentage change

Question 35

Define the displacement reaction and give an example with aluminium and iron with equation

Question 36

Name 2 uses of the displacement reaction

Question 37

Define the thermite reaction

Question 38

Define the way to order reactivity in chemical solutions

Question 39

Give an example of chemical displacement with chlorine and water with sodium bromine solutions

Question 40

What would happen if a zinc strip were to be put into copper sulfate solution

Question 41

Why do more reactive metals form compounds more easily

Question 42

Define native state

Question 43

Name 2 unreactive and reactive metals

Question 45

Define “ore”

Question 46

Define how reactive metals are extracted from minerals

Question 47

Define the process and equation of Iron being extracted from haematite (Iron oxide) include equtions

Question 48

Define ”reduced” and “reducing agents” in their chemical terms

Question 49

Define why carbon is a good reducing agent

Question 50

Define a “Redox reaction”

Question 51

More reactive metals are more _____ compounds, which are more _____ to extract.

Answer 51

More reactive metals are more _stable_ compounds, which are more _difficult_ to extract.

Question 53

Why is electrolysis

Question 54

How is Aluminium extracted and give the equation to do so

Question 55

When is the electrolysis method used and what are the cons of using it