Study of Compounds-I Hydrogen Chloride — Chemistry STD 10 — Question

State what would you observe when a piece of moist red litmus paper is placed in a gas jar of ammonia.

When a molten ionic compound is electrolysed, the metal is always formed at …………… and the non-metal is formed at …………..

The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
Write the equation for the reaction that will take place when this first step is carried out.

2, 3-dimethyl butane.

Give examples for the following:
Two solid covalent compounds.

Name the following:
The middle region of the blast furnace.

Name the metals which can be extracted from the ores:
Zinc blende

Write a balanced equation for the production of nitrogen dioxide using copper.

What is a lone pair of electrons?