Year 10 - Chemistry - 30-1-15

Thai Sikh International School

E-Learning Programme – Online Assignment –   31/01/2015

 Name:                                                                                                 Subject:          CHEMISTRY

 Year:    10 A / B                                                                      Schedule No:  1                     

Dear Student (s)

Please solve the following questions taken from Past papers:

1 a) Write an equation for the complete combustion of butane.

   b) Explain what happens if butane is burnt in a restricted supply of air. Why is this dangerous?

       Write an equation for the reaction.

2.  Describe the process used to separate the components in crude oil.

  

3.  What is a homologous series?

4 a) Describe in words what happens when an alkane is cracked.

  

   b) Write an equation using structural formulae with all the bonds, to show what happens when

      octane is cracked.

  

   c) Describe a chemical test you could use to see if this reaction had worked successfully.

       Write an equation for the reaction which occurs, using structural formulae.