Metallurgy — Chemistry STD 10 — Question

Mention the colour changes observed when the following indicator is added to acid: Methyl orange solution.

What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.

State what would you observe when a piece of moist red litmus paper is placed in a gas jar of ammonia.

Calcium carbide and water.

An electrostatic bond between a metallic and a non-metallic ion.

What do you observe when ammonia is bubbled through red litmus solution?

Give reason for the following:
carbon tetrachloride is a liquid but does not conduct electricity.

Name the substance used to change acetic acid to acetic anhydride?

Identify the substance underlined, in the following case: A solid formed by reaction of two gaes, one of which is acidic and the other basic in nature.

What do you notice when acetic acid reacts with litmus ?