nat 5 chem fertilisers

Plants require nutrients, including compounds containing...

...Nitrogen, Phosphorus, and Potassium

Fertilisers are...

...substances which restore elements that are essential for healthy plant growth back to the soil

Ammonia is a...

...pungent, clear, colourless gas which dissolves in water to produce an alkaline solution

Ammonia has the formula...

NH₃

Ammonium has the formula...

NH₄+

Ammonia solutions react with acids to form...

...solution salts

Ammonia + nitric acid →

ammonium nitrate + water

Ammonia + sulfuric acid →

ammonium sulfate + water

Ammonia + hydrochloric acid →

ammonium chloride + water

Haber Process

Industrial process used to produce ammonia.

The reactants of the Haber process are...

...hydrogen and nitrogen

The catalyst used in the Haber process is...

Iron

Ammonia is the starting material for the production of...

...nitric acid

A moderate temperature is used in the Haber process so that...

the reaction is not too slow and the backward reaction doesn't become too dominant.

Ostwald Process

Industrial process for the manufacture of nitric acid

The starting materials for the Ostwald process are...

...ammonia, water, and oxygen

The catalyst used in the Ostwald process is...

...platinum

Formula for ammonium hydroxide...

...NH₄OH