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The Great Chemistry Quiz

The quiz is filled with questions on pH of acids, electroplating, isotopes, chromatography and chemical reactions. 30 Questions.

 
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1
Question 1 Photo

What is an isotope?

  • An element with the same number of protons but different number of neutrons.
  • An element with free electrons when the element is molten.
  • A giant covalent structure with free ions in between the lattices.
  • A number of protons being higher than the number of electrons.

2
Question 2 Photo

What is the pH of an acid?

  • pH 3 - pH 7
  • pH 12 - pH 18
  • pH 5 - pH 12
  • pH 1 - pH 6

3
Question 3 Photo

What are ammonium salts used for?

  • Distillation
  • Sterilisation
  • Cracking
  • Fertilisers

4
Question 4 Photo

What is meant by the term mole?

  • The relative formula mass of a substance in grams.
  • Separate mixtures.
  • The coating an object with a thin layer of metal by electrolysis.
  • Giant structures and macromolecules which have strong bonds.

5
Question 5 Photo

What acid is needed to produce ammonium nitrate?

  • Oxalic Acid
  • Sulphuric Adic
  • Nitric Acid
  • Citric Acid

6
Question 6 Photo

The atmosphere of Venus contains droplets of sulphuric acid solution, suggest a pH value for this?

  • 8
  • 7
  • 5
  • 9

7
Question 7 Photo

What salt is made when magnesium reacts with hydrochloric acid?

  • Magnesium Nitrate
  • Magnesium Sulphate
  • Magnesium Chloride
  • Magnesium Oxide

8
Question 8 Photo

Why is cryolite used in aluminium extraction?

  • Lowers temperature required to do electrolysis.
  • Cryolite ore is the world's main source of aluminium.
  • Cryolite is added to electrolysis to expand the ore's surface area.
  • The ore is made up of fifty percent aluminium and silver.

9
Question 9 Photo

How many electrons can there be on the atom's first energy level?

  • 2
  • 8
  • 6
  • 888

10
Question 10 Photo

What are the products of the reaction between an acid and an alkali?

  • Salt and Water
  • Alkene and Bromine
  • Bile and Protease
  • Glycerol and Starch

11
Question 11 Photo

What is Crystallisation?

  • A way to increase the rate of reaction.
  • A way to obtain free electrons from a lattice by the use of electrolysis.
  • A method to separate dissolved solids from a solution.
  • A method to neutralise acids and alkalies.

12
Question 12 Photo

What is a catalyst?

  • A substance which increases the rate of reaction without itself undergoing chemical change.
  • A precipitate which involves the binding of atoms.
  • A specific biochemical reaction.
  • A place where reactions take place.

13
Question 13 Photo

What is a catalytic converted made of?

  • A steel frame made of layers.
  • A glass lattice with space for filtration.
  • A platinum, or a platinum like metal.
  • A radium isotope.

14
Question 14 Photo

What is the word equation for fermentation?

  • Glucose + Yeast ---> Carbon Dioxide + Ethanol
  • Hydrogen + Chlorine ---> Hydrogen Chloride
  • Ethane + Oxygen ---> Carbon Dioxide + Water (+Energy)
  • Iron + Copper Sulphate ---> Iron Sulphate + Copper

15
Question 15 Photo

What is Oxidation?

  • Oxidation is loss.
  • Oxidation is limit.
  • Oxidation is lipid.
  • Oxidation is liquefaction.

16
Question 16 Photo

What is the process of splitting hydrocarbons for more useful products?

  • Cracking
  • Fermentation
  • Fractional Distillation
  • Reduction

17
Question 17 Photo

The higher up the fractional distillation column the smaller the molecules, low boiling point and what else?

  • High viscosity.
  • Low viscosity.
  • Not very volatile.
  • Hard to ignite.

18
Question 18 Photo

What hydrocarbon is first to leave the fractional distillation column?

  • Bitumen
  • Kerosene
  • Diesel
  • Petrol

19
Question 19 Photo

What makes nearly all Noble Gases unreactive?

  • They are not chemically inert.
  • They have equal amounts of neutrons and electrons.
  • They all have a full outer shell.
  • They are colourless.

20
Question 20 Photo

What is an example of a food emulsifier?

  • Mustard
  • Caffeine
  • Yoghurt
  • Vinegar

21
Question 21 Photo

Mayonnaise is an emulsion of oil and what else, the emulsion can become more stable by the use of an emulsifier with a hydrophilic and hydrophobic end?

  • Butter
  • Flour
  • Water
  • Egg Yolk

22
Question 22 Photo

What is the name of the aluminium ore?

  • Cryolite
  • Bauxite
  • Fluoride
  • Electrolysis

23
Question 23 Photo

What is another name for a polymer?

  • Polyvinyl
  • Monomers
  • Alkenes
  • Macromolecule

24
Question 24 Photo

What is the process that turns monomers into polymers, monomers are small molecules, which when bidden together form a polymer?

  • Polymerisation
  • Fermentation
  • Reduction
  • Thermosetting

25
Question 25 Photo

What is compaction in the Rock Cycle?

  • This is when rocks heat and expand in the heat of the day.
  • The break down of rock into smaller pieces.
  • Deposits of sediment, under pressure are being crushed by weight of above sediment.
  • Rocks which are viscous cause water to stay in the cracks, in freezing temperatures the ice expands.

26
Question 26 Photo

What is the name of rocks which form from the cooling of lava?

  • Igneous
  • Metamorphic
  • Sedimentary
  • Kalsititic

27
Question 27 Photo

What is the name for the industrial manufacture of Ammonia from Nitrogen and Hydrogen Gas?

  • Bayer Process
  • Rasching Process
  • Haber Process
  • Pidgeon Process

28
Question 28 Photo

In a reaction going from reactions of products, what is it called when heat is given out?

  • Exothermic
  • Endothermic
  • Hyperthermic
  • Geothermic

29
Question 29 Photo

How many of Carbon's electrons are used for covalent bonding in a layer structure?

  • 3
  • 4
  • 9
  • 888

30
Question 30 Photo

The element Argon has eighteen electrons, what is its electron structure?

  • 2,8,8
  • 9,9
  • 4,5,9
  • 8,8,2

 

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