Match the following:

2. Match the properties and uses of alloys in list 1 with the appropriate answer from list 2.

A. The alloys contain Cu and Zn, is hard silvery and is used in decorative articles.	(i) Duralumin
B. It is stronger than Aluminium light and is used in making light tools.	(ii) Brass
C. It is lustrous hard, corrosion resistant and used in  surgical instruments.	(iii) Bronze
D. It is lustrous hard, corrosion resistant and used in  surgical instruments.	(iv) Stanless steel
E. The alloys is hard brittle, takes up polish and is used = for making statues.	(v) Solder

Name the following metal:

A metal present in period 3, group 1 of the periodic table. 

There are three elements E, F, G with atomic number 19, 8 and 17 respectively.

i) Classify the elements as metals and non-metals.

ii) Give the molecular formula of the compound formed between E and G and state the type of chemical bond in this compound.

Name the gas in each of the following ;

A gas which turns acidified potassium dichromate clear green.

The gas produced on reaction of dilute sulphuric acid with a metallic sulphide. 

Identify the anion present in the following compounds:

Compound X on heating with copper turning and concentrated sulphuric acid liberates a reddish brown gas. 

Identify the anion present in the following compounds:

when a solution of compounds Y is treated with silver nitrate solution a white precipitate is obtained which is soluble in excess of ammonium hydroxide solution.

Identify the anion present in the following compounds:

Compounds Z which on reacting with dilute sulphuric acid liberates a gas which turns lime water milky, but the gas has no effect on acidified potassium dichromate solution.

Identify the anion present in the following compounds:

Compound L on reacting with Barium chloride solution gives a white precipitate insoluble in dilute hydrochloric acid or dilute nitric acid.