@Which one of the following does not contain ionic bonds?
N
NaCl
AlCl

@Iron and sulphur are:
Both elements
Both compounds
Both mixtures

@In a solid, if you supply more energy then:
the more the particles vibrate
the particles melt
the bonds between the particles break straight away

@Aluminium forms an ion Al and oxygen an ion O. What is the formula of aluminium oxide?
AlO
AlO
Al

@The different types of steel can conatain mainly iron with different elements added. Which one of the following is NOT found in steel?
Potassium
Carbon
Chromium

@The type of bonding in metals is called:
Metallic bonding
Ionic bonding
Hydrogen bonding

@Which one of the following would be most suitable to prepare hydrogen gas from hydrochloric acid?
Zinc
Calcium
Copper

@In carbon dioxide, then main types of bond are:
Covalent
Ionic
Van der Waals

@Which of the following is incorrect for the halogens?
They are all gases at room temperature
They are all oxidising agents
Usually form negative ions

@Hydrogen gas enters at the left, and is burning on the right. What can be seen on the cold surface?
#burn
Water droplets
Soot
Yellowish deposit

@Nitrogen from the air is needed to make ammonia. The nitrogen is obtained by:
Fractional distillation of the air
Bubbling the air through water
Diffusion of the air

@Oxides which are acidic and alkaine are called:
Amphoteric
Allotropes
Isotopes

@Which one of the following form a homologus series?
CH, CH & CH
CH, CH & CH
CH, CH & CH

@Which of the following atoms is the largest?
Rb
K
Li

@The reaction between powdered magnesium and dilute sulphuric acid can be sped up by:
Warming the mixture
Adding water
Using acid that is more dilute

@CuO + H  Cu + HO Which of the following statements is correct?
Copper oxide is an oxidising agent
Hydrogen is an oxidising agent
This is no a redox reaction

@Which substance is used for pickling onions?
Ethanoic acid
Hydrochloric acid
Ethane

@Damage to the metal parts of buildings is caused by:
Sulphur dioxide
Carbon dioxide
Lead emissions from cars

@What volume of water is in the measuring cylinder?
#cylin1
45.0 cm
40.5 cm
55.0 cm

@Pure water can be produced from salt water by distillation. To do this you would use a:
Condenser
Filter funnel
Burette

@Which one of the following is the molecular formula of a hydrocarbon which contains less than 80% by mass of carbon?
CH
CH
CH

@Which of the following oxides will react with dilute hydrochloric acid AND dilute sodium hydroxide?
Zinc oxide
Copper oxide
Carbon monoxide

@The electrode labelled 'X' is connected to the positive terminal of a battery. The proper name for this electrode is:
#electro1
an anode
a cathode
an electrolyte

@If heat energy taken in during a reaction the reaction is:
Endothermic
Exothermic
Stable

@An element that forms crystals composed of small molecules is:
Iodine
Diamond
Magnesium

@Which one of the following processes involves a chemical change?
Oxidation
Filtration
Condensation

@In a gas the particles are:
Not attracted to each other at all
Strongly attracted to each other
Bonded to each other

@An electrolyte will pass an electric current because it has many free moving:
Ions
Electrons
Molecules

@During the production of iron from iron ore, which one of the following is NOT used in the blast furnace?
Slag
Limestone
Coke
