Materials
Reactivity
Separating Mixtures
GCSE Prep
General Knowledge
100

Name the type of reaction in which heat is given out. 

Exothermic.

100
Define what is meant by a chemical reaction

a change in which one or more new substances are made. 

100

Name three pieces of equipment required for filtration. 

Funnel, Filter Paper, Beaker, Conical Flask
100

Name three factors that will affect the rate of a reaction

Concentration, Temperature, Surface area

100

What is the logo used for snapchat?

a white ghost

200

State what many monomers form and give a common example of this.

Polymer, e.g. Plastic. 

200

Describe 2 observations you would make when potassium reacts with water. 

Any 2 from: 

Fizzing, Potassium gets smaller, moves around on the surface of the water, forms a ball, Lilac flame

200

Describe the technique that can be used to separate salty water so as to get pure water. (2 points should be made)

The salty water is heated until the water exaporates

Steam reaches the condenser and is colled/turns back to liquid


200

Define ion.

An atom that has lost or gained electron(s)

200

What is the name of the fungal infection that caused a global pandemic in the TV series The Last of Us?

Cordyceps

300

State 3 properties of ceramics that make them useful. 

Any 3 from: Hard, Brittle, High MP, Good insulators, Inert/Unreactive

300
Name the products formed when Sulfuric acid reacts with Magnesium Hydroxide. 

Magnesium Sulfate and Water

300

Write a word equation to show the displacement reaction between copper and silver nitrate.

Copper + Silver Nitrate --> Copper Nitrate 

300

Balance the following equation:

CuO + HCl --> CuCl2 + H2O

CuO + 2HCl --> CuCl2 + H2O

300

Name the male lead actor in Barbie movie.

Ryan Gosling

400

Describe the difference between cement and concrete.

Cement is a substance that binds materials together OR mix of lime and clay whereas Concrete is artifical stone made from a mix of sand, cement, water and aggregate larger stones.  

400

Write a word equation to show the reaction between lithium and water.

Lithium + Water --> Lithium Hydroxide and Hydrogen

400

Describe how electrolysis works to extract sodium.

Electricity is used to break down sodium oxide into sodium and oxygen gas. 

400

Element A is found in group 2 and period 3 of the periodic table. What does this mean for an atom of this element? 

Element A will have 2 electrons in it's outer shell and will have 3 shells in total.

400

Name the artist and song that has the most streams on spotify of all time.

The Weeknd - Blinding Lights

500

Describe what is meant by vulcanisation.

When rubber is heated with sulfur, cross links are formed between the rubber molecules. 

500

Write a balanced chemical equation to show the combustion of Methane (CH4)

CH4 + 2O2 --> CO2 + 2H2O

500

Calculate the percentage loss when 12.5g of Calcium Carbonate decomposes to 8.0g of Copper Oxide. 

12.4 - 8.0 = 4.4g

4.4/12.4 x 100 = 

35.5%

500

 has an atomic number of 19 and an atomic mass number of 39. How many electrons, protons and neutrons does an atom of this element have? 

19 Protons

19 Electrons 

20 Neutrons

500

What is the highest possible score in a game of bowling?

300 points

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