What do each of the hazard warning symbols below mean?

Question 1 What do each of the hazard warning symbols below mean?

Question 2 Draw a line to match the name of the separation technique to the type of mixture it is used to separate. filtration Used to separate 2 liquids with different boiling points evaporation distillation Used to separate substances due to their solubility in different solvents Used to separate a soluble solid from a liquid. chromatography Used to separate an insoluble solid from a liquid.

Question 3 Name all the elements present in the compounds below: a) magnesium bromide. b) Calcium sulfate

Question 4 Match the word to the definition. Solution The liquid that a substance dissolves in. Solvent The substance which dissolves in a liquid. Solute The special mixture formed when a substance dissolves in a liquid.

Question 5 Which of the following two compounds is soluble in water? Calcium carbonate or lead (II) nitrate HINT Use the data booklet p8

Question 6

Question 7

Question 8 In the experiments below, chalk reacts with acid. The same mass of chalk and the same acid is used in all 4 experiments. Which experiment would take the longest time to finish.

Question 9 Matthew added 0.1g manganese dioxide to hydrogen peroxide solution and oxygen was produced. Manganese dioxide is a catalyst. 1. What is a catalyst? 2. What will be the mass of the manganese dioxide at the end of the reaction?

Question 10 Which curve below shows the slowest reaction? How do you know this?

Question 11 Complete Copy & complete the table the following of information table to summarise about the 3 subatomic the key features particles. about the 3 subatomic particles.

Question 12 What is the formula for the molecule shown below? HINT Count each type of atom

Question 13 What is the formula for carbon tetrachloride? HINT Use the prefix

Question 14 What is the formula for potassium oxide? HINT Use SVSDF (since no prefix or diagram).

Question 15 What is the formula for calcium sulfide? HINT Use SVSDF (since no prefix or diagram).

Question 16 Match the gas to the correct test used to identify it. Carbon dioxide Burns with a squeaky pop Oxygen Turns limewater cloudy Hydrogen Relights a glowing splint

Question 17 Select the correct labels to complete the fractional distillation diagram below. Most flammable Least flammable Most viscous Least viscous Longest carbon chain Smallest carbon chain Crude oil enters and is heated here

Question 18

Question 19 Match the substance to the chemical which is used to test for it. glucose iodine starch acid carbon dioxide universal indicator limewater Benedict s solution

Question 20 Select the correct answer to complete the statement below. Elements in the same have similar chemical properties. period (row) OR group (column)

Question 21 Methane reacts with oxygen to form carbon dioxide and water. a) In this reaction is water a reactant or a product? b) Write the word equation for this reaction.

Question 22 Using the electron arrangement information from the data booklet write the symbol for the following ions (e.g. N 3- ) 1. Aluminium 2. Chloride 3. Lithium 4. Phosphide

Question 23 a) What are the products of complete combustion of a hydrocarbon (when oxygen is plentiful)? b) What different products could be formed during incomplete combustion of a hydrocarbon (when oxygen is limited)?

Question 24 Fossil fuels are described as a finite source of energy. What does this mean?

Question 25 What are the two main reasons why the amount of carbon dioxide in our atmosphere is increasing?

Question 26 Draw the full structural formula for propane and propene.

Question 27 Which ph numbers correspond to: a) acids? b) alkalis/bases?

Question 28 Name 3 methods used to test the ph of a substance.

Question 29 a) What happens to the ph of alkali as acid is added to it? b) What happens to the ph of acid as alkali/base is added to it?

Question 30 Name the salts formed in the reactions below: Name of acid sulfuric acid hydrochloric acid nitric acid phosphoric acid carbonic acid Name of acid neutraliser/ reacting chemical sodium oxide calcium hydroxide magnesium potassium carbonate magnesium oxide Name of salt