A student was given the mixture of Iron filings and Sulphur . He was told to heat it and observe the following :
a) What is the colour of the compound formed ?
b) Write the effect of magnet on it .
c) Write the action of carbon disulphide on it .
d) Describe the effect of adding dilute hydrochloric acid to it . Identify the gas and write its two properties .
{ please answer this fast as it is very urgent }