9.1 Ammonia — Chemistry STD 10 — Question

Write the balanced chemical equation for the following conversion:
Ammonium sulphate from ammonia and dilute sulphuric acid.

From the metals: copper iron, magnesium, sodium, and zinc, select a different metal in the case which:
does not react with dilute hydrochloric acid

Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.

A black metallic oxide which dissolves in nitric acid to give greenish blue solution.

Why is Soda lime used not only NaOH?

The volumes of gases A, B, C and D are in the ratio, 1:2:2:4 under the same conditions of temperature and pressure.
Which sample of gas contains the maximum number of molecules?

The following question refer to the extraction of aluminium and iron from their ores:
What is the major impurity present in iron when it is removed from the furnace?

Give balanced equation for the following conversation:
Ammonia solution to an amphoteric hydroxide.

Name the hydrocarbon which is known as olefin .

Ammonia is manufactured by Haber Process.
State whether the formation of ammonia is promoted by the use of high pressure or low pressure?