Metallurgy — Chemistry STD 10 — Question

Give balanced equation for the following conversation:
Lead oxide to lead.

The most electronegative element amongst period three elements.

Name two fertilizers manufactured from ammonia.

Name the following:
A metal which is always present in the amalgam.

Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.

The following table shows the electronic configuration of the elements W,X,Y,Z :

Element	W	X	Y	Z
Electronic Configuration	2,8,1	2,8,7	2,5	1

Answer the following questions based on the table above:
What is the formula of the compound formed between W and X.

The nitrate which gives a black residue on heating.

Name an organic compound which is: solvent for gums and resins.

Name the compound prepared from methyl iodide . Write the balanced equation for the same