Acids, Bases and Salts — Chemistry STD 10 — Question

State: Gay-Lussac's law of combining volumes.

Give a balanced equation for Preparation of a non-volatile acid from a volatile acid.

Write an equation for the reaction, when ammonium chloride and sodium hydroxide solution are mixed and heated.

What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.

The electronegativities(according to Pauling) of the elements in period 3 of the periodic table are as follows with elements arranged in alphabetical order:

Al	Cl	Mg	Na	P	S	Si
1.5	3	1.2	0.9	2.1	2.5	1.8

Arrange the elements in the order in which they occur in the periodic table from left to right. (The group 1 element first, followed by the group 2 element and so on, up to group 7).

Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one : forms an anion

Name the compound prepared from ethyl bromide write a balanced equation for the same.

A noble gas having duplet arrangement of electrons.

Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.

Name of experiment which shows that hydrogen chloride gas is extremely soluble in water.