Sulphuric Acid — Chemistry STD 10 — Question

Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.

Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide

A chloride which gives reddish brown precipitate with sodium hydroxide solution.

Give balanced reactions for the following conversion:
Ammonia to nitrogen using trichloride.

Name : The metal which is liquid at room temperature.

Name the gas that has a smell of rotten eggs.

Name the following:
or
With reference to the physical propertie of metals and non-metals, state the following exception.
A metal which is liquid at room temperature.

Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.

Name:
a solution which absorbs nitric oxide 

Name the following:
Acid used to extract glue from bones.