A World of Chemistry

(i)                 (ii) Excess Zinc carbonate is used to make sure that all the hydrochloric acid are completely neutralised. (iii) ...

(i) Potassium sulfate is a Group(I) soluble salt .  Titration is recommended for preparation of all   Group (I) salts as they are solu...

(i) The gas produced is Ammonia . (ii) Anion: Nitrate ions (NO 3 -). (iii ) Cation: Iron (II) (Fe2+)

2(i) (NH 4 ) 2 SO 4 (aq) + 2NaOH (aq) --> Na 2 SO 4 (aq) + 2NH 3 (g)+ 2H 2 O (l) (ii) Ammonia produced will turn damp red litmus paper...

Q1.(i) Zinc Nitrate+Aqueous ammonia --> Zinc hydroxide + Ammonium Nitrate Thus, the   salt formed is ammonium nitrate while the   ba...

Yiting , http://yhss-3e5-chemistry-29-2011.blogspot.com/  is one-of-a-kind as she actually drew out the drawings and I could see the effort ...

In a periodic table, atoms which can form Positive ions are classified as metals while the atoms which can form Negative ions are classifi...

                                                   Chlorine 35 Chlorine 37 Definition of Isotope: Atoms of same element with   same nu...

                Sulfur Atom Sulfur Atom has   electronic structure of (2.8.6)   and it has in total   three shells .           Sulfide I...

               Sodium Atom Sodium Atom has electronic structure of (2.8.1)   and it has three shells .   Sodium Ion For Sodium ion (N...

Diagram of an atom There are numerous atoms around the world, around us and even our bodies are made up of atoms. Each atom consists of main...

I'm just one of the students from yhss 3E5'2011. :D