Write the chemical equation for ammonia reacting with hydrogen chloride.
Name the process that makes the ammonia and hydrogen chloride gases travel along the tube.
At which point, A, B, C or D, does the white solid appear? Explain why it appears there.
The experiment was carried out again at a higher temperature. Predict how the outcome would change. Explain your answer.
Describe how the white solid could be tested to show that it contains ammonium ions.
Describe how the white solid could be tested to show that it contains chloride ions.
State the type of bonding present in ammonia.
Complete the diagram to show the electron arrangement in a molecule of hydrazine, using only outer-shell electrons.
Name the linkages found in nylon and protein polymers.
Describe one structural difference between nylon and protein.
What is the general name for the products formed when proteins are hydrolysed?
Suggest the structure of the monomer used to make the polymer shown.