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

What would you observe when Red litmus paper is introduced into a solution of ammonia in water?

A covalent molecule which on dissolving form ions.

Name the following :
A compound added to lower the fusion temperature of electrolytic bath in the extracton of aluminium.

Give one example in the following case:
A basic oxide which is insoluble in water.

Write the balanced equation for the reaction of dilute hydrochloric acid with the following: Sodium hydrogen carbonate

Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.

Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.

Name an acid used in a drink.

Almost 90% of all known compounds are organic in nature