Acids

Identify the following substance which is underlined.
A dilute mineral acid which forms a white precipitate when treated with barium chloride solution.

Identify the acid (write its name) which matches the following description.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide.

Identify the acid which matches the following description
The acid on mixing with lead nitrate solution produces a white precipitate which is insoluble even on heating.

Identify the acid which matches the following description.

The acid which is prepared by catalytic oxidation of ammonia.

Identify the acid which matches the following description.
Name the acid which produces sugar charcoal from sugar.

Identify the acid which matches the following description:

The acid which is used in the preparation of a non-volatile acid. (Sulphuric acid/ Nitric acid)

Identify the term or substance based on the descriptions given. Ice like crystals formed on cooling an organic acid sufficiently. 

Litmus is a _____ indicator. (synthetic / natural)

Name an acid which is used to flavour and preserve food.

Name the acid that is used to preserve pickles and Chinese food. 

Complete the reaction.

$2\mathrm{NaCl}+{\mathrm{H}}_2{\mathrm{SO}}_4\left(\mathrm{conc}\right) \stackrel{\mathrm{Above} {200}^0\mathrm{C}}{\to } \mathrm{\_\_\_\_\_\_\_}+\mathrm{\_\_\_\_\_\_\_}$

What do you observe when burning matchstick is brought near the hydrogen gas? 

What is the action of litmus paper on acid?

Identify the following substances which are underlined.
An acid which is present in vinegar.

Give the balanced chemical equations to prepare the following salts.
Copper chloride using copper carbonate.

Give the balanced chemical equations to prepare the following salts.
Sodium sulphate using dilute sulphuric acid.

Give the balanced equation for the following.
Zinc sulphide and dilute sulphuric acid.

Name the gas produced on the reaction of dilute sulphuric acid with a metallic sulphide.

Rewrite the statement in the correct form using the appropriate word/words.

Magnesium reacts with nitric acid to liberate hydrogen gas.

Identify the anion present in each of the following compounds.
A salt $\mathrm{D}$ on treatment with dilute sulphuric acid produces a gas which turns lime water milky but has no effect on acidified potassium dichromate solution.