A good contract bookkeeper is able to: 1  Set up accounting systems and software properly. 2  Enter transactions. 3  Perform checks, reconciliations and end of year processes.  Ensure they are up to speed with legislative requirements and management 1  reports. Undertake payroll duties and compliance.
An active metal is a metal that displaces hydrogen from an acid. Examples of active metals include magnesium, zinc and iron. This type of reaction is also called a single displacement reaction where the active metal 'displaces' the hydrogen from the acid. Examples of reactions involving acids and active metals. 1  Hydrochloric acid + Magnesium â Magnesium chloride + Hydrogen.
A reaction between an acid and a base to produce a salt and water is called a. neutralization reaction. In this experiment the only bases used will be those. containing the hydroxide ion OHâ. Example: The reaction between hydrochloric acid and sodium hydroxide to. produce sodium chloride and water. Since sodium chloride is soluble, its formation cannot be seen, but there is evidence that a reaction has. taken place because the reaction mixture gets warmer.