A molecule of ethene can be described as all of these EXCEPT for:

The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:

Ammonia gas spreads out faster than hydrogen chloride, showing that it is:

All of these are trace elements EXCEPT for:

Acid soils can be neutralised by adding:

The alloy, brass, contains copper and:

The number of carbon atoms in the alcohol, pentanol, is:

A salt that contains water of crystallisation is:

When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:

All of these are properties of carbon monoxide EXCEPT for:

In a water condenser the cooling water enters at:

The following are all natural materials EXCEPT for:

The only one of the following which is NOT a change of state is:

One Faraday represents:

The number of particles in a mole of any gas is always:

For Mg++ to turn into an atom of magnesium metal it must:

The units we use for heat given out by a reaction are:

Different structures based on the same molecular formula are called:

The alkane compound with seven carbon atoms is:

When two solutions are mixed and give a solid product we call it:

The catalyst in the Haber Process is:

Herbicides are used to destroy:

One example of an emulsifying agent is:

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

The number of electrons shared in a single covalent bond is:

Biological catalysts in yeast are called:

1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:

Cooking food improves all of these EXCEPT for:

The metal used in food containers whose surface is protected by a strong oxide layer is:

The number of double bonds in a molecule of carbon dioxide is:

Common salt can be used to make all of these EXCEPT for:

The only common gas that turns moist red litmus paper blue is:

The Periodic Table is arranged in order of:

All of these are compounds EXCEPT for:

The number of electrons in a full electron shell is:

The halogen, bromine, at room temperature is a:

All of these materials are used in a blast furnace EXCEPT for:

In the modern Periodic Table the elements are arranged:

When large molecules are broken down into smaller ones it is called:

The halogens are found in: