Understanding salts

  1. A salt is an ionic compound formed when the hydrogen of an acid is partly or completely replaced by a metal ion or ammonium ion.
  2. All salts are chemically and electrically neutral.


Example


Diagram above shows that when the hydrogen ion in nitric acid is replaced by Na+, Ca2+, NH4+ or Al3+ ions, salts are formed.


Example:
State whether the following chemical are salt or not salt..
i.  barium nitrate _______
ii.  zinc sulphate _______
iii.  aluminium oxide _______
iv.  carbon dioxide _______
v.  tin nitrate _______
vi.  glucose _______
vii.  ethanol _______

Answer:
Barium nitrate, zinc sulphate and tin nitrate are salts.

Aluminium oxide, carbon dioxide, glucose and ethanol are not salts.

There are 4 types of salt that you need to know in the SPM syllabus:
Four type of Salt, there are:

  1. Nitrate,
  2. Chloride, 
  3. Sulphate, 
  4. Carbonate,


2 comments:

  1. 2 more weeks before SPM
    your notes really do help me to revise

    ReplyDelete
  2. I actually got 92% for my Chemistry for SPM,so this only further shows how awesome this notes really are.I advise other students who are always on their computer or laptop to check out this site and learn because it really is amazing and it will really help you out unless you want to get a B or Fail but i am pretty sure no one wants to.I am just going to end it by saying thanks to the poster of this blog because you are awesome for doing this,keep it up with the other subjects and thanks again HAHA

    ReplyDelete