harder questions

give two reasons why the electrolysis is carried out on aluminium oxide dissolved in molten cryolite instead of electrolysing molten aluminium oxide only

what is meant by term amphoteric

what is the substance that reacts with oleum to form sulfuric acid

Name the black solid that is produced when concentrated sulfuric acid is added to sugar, C12H22O11.

Name the type of reaction in which proteins are broken down into amino acids

Name two types of substance that are used to break down proteins into amino acids

Name the process used to separate the amino acids

Name the type of substance used to detect the amino acids.

Give the symbol of the value used to determine the identity of each amino acid after separation and detection

Name a synthetic polyamide.

Identify the two functional groups present in the monomers used to produce synthetic polyamides.

what isthe color of copper in electrolysis

why are carbon electrodes used

why is the universal indicator not fit for use in titration

what happens when hydrogen peroxide reacts with manganese oxide catalyst

State what happens to the colour of the aqueous copper(II) sulfate as this electrolysis progresses.

State one disadvantage, other than cost, of using hydrogen–oxygen fuel cells to power cars compared to using petrol.

Name the substance used to remove sulfur dioxide in flue gas desulfurisation.

State one use of ammonium sulfate.

general formula for carboxylic acids is

how many water molecules are binded to hydrated copper sulfate

how many water molecules are binded to hydrated cobalt chloride

State the meaning of the Roman numeral after a compound

what is a suitable catalyst for the formation of an ester