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- @Will carbon conduct electricity?
- Yes
- No
- Only when molten
-
- @Which of the following is a chemical symbol for a halogen?
- I
- He
- Na
-
- @Pure hydrogen burns with a flame coloured:
- Blue
- Orange
- Red
-
- @Nitrogen is used to make Ammonia. The process is called the:
- Haber process
- Frasch process
- Contact process
-
- @In carbon dioxide the main types of bond are:
- Covalent
- Ionic
- Van der Waals
-
- @For the gas sulphur dioxide, which of the following is incorrect?
- It is insoluble in water
- It turns moist universal indicator paper red
- It is heavier than air
-
- @Which one of the following is a molecular formula of an alkane?
- CÝHÚ
- CÛHÞ
- CÜHÝ
-
- @Elements in Group II are called:
- Alkaline earth metals
- Alkali metals
- Halogens
-
- @The law of conservation of matter says
- During a reaction matter can't be created or destroyed
- At the end of a reaction the catalyst is physically unchanged
- During a reaction the temperature must remain constant
-
- @Copper II oxide reacts with hydrogen to form copper and water. The copper II oxide is:
- Reduced
- Oxidised
- Neutralised
-
- @What metal is used to make the plates in a car battery?
- Lead
- Zinc
- Steel
-
- @Damage to stone buildings is caused by which of the following gases found in the air?
- SOÛ
- CO
- SOÜ
-
- @If this measuring cylinder was full to the top of its scale it would contain:
- #cylin2
- 15 cmÏ
- 8 cmÏ
- 20 cmÏ
-
- @To separate the dyes ink is made from, it is easiest to use:
- Chromotography
- Filtration
- Evaporation
-
- @The relative molecular mass of CÛHÞOH is:
- 46
- 45
- 62
-
- @At room temperature which of the following will react the quickest with hydrocholoric acid (HCl)?
- Magnesium powder
- Marble chips
- Zinc granules
-
- @The diagram shows a Hoffmann voltameter, connected to a power supply. The blue liquid is water, with a little sulphuric acid in it. The gas X is:
- #hoff
- Oxygen
- Hydrogen
- Sulphur dioxide
-
- @In an exothermic reaction a temperature rise is produced because:
- More energy is released when new bonds are formed than when old ones break
- Less energy is released when new bonds are formed than when old ones break
- The products are less stable because they have lost energy
-
- @Aqueous copper II sulphate conducts electricity because it contains:
- Ions
- Copper
- Molecules
-
- @Pb is the chemical symbol for:
- Lead
- Platinum
- Polonium
-
- @Which of the following describes an atom with an atomic mass of 9?
- 5 neutrons, 4 protons and 4 electrons
- 19 neutrons, 9 protons and 9 electrons
- 4 neutrons, 4 protons and 1 electron
-
- @What is the name of the reducing agent used to obtain iron from its ore in a blast furnace?
- Carbon monoxide
- Calcium carbonate
- Hydrogen
-
- @Out of the hundred or so known elements, how many are metals roughly?
- 80
- 20
- 50
-
- @A metal nitrate was heated, producing oxygen gas, and left behind a pale yellow residue. The nitrate was:
- Sodium nitrate
- Lead nitrate
- Calcium nitrate
-
- @In carbon dioxide, then main types of bond are:
- Covalent
- Ionic
- Van der Waals
-
- @Which one of the following is a liquid at room temperature?
- Bromine
- Iodine
- Fluorine
-
- @The diagram shows an experiment set up to test the diffusion of hydrogen. If the apparatus is left for some time:
- #diff
- The level in tube x goes down and the level in tube y up
- The two levels in x and y stay the same
- The level in tube y goes down and the level in x goes up
-
- @Plants use the nitrogen from fertilizers to make:
- Proteins
- Carbohydrates
- Starch
-
- @Which one of the following is found inside fire extinguishers?
- Carbon dioxide
- Oxygen
- Sodium hydroxide