Study of Sulphur Compound Sulphuric Acid — Chemistry STD 10 — Question

A molecule of diatomic gas with a triple bond.

How many groups and periods are there in the modern periodic table?

On treating with concentrated sulphuric acid, this salt changes from blue to white.

Name a white salt produced by an acid gas and a basic gas.

Name the constituents of:
Duralumin

The major impurity associated with iron obtained from blast furnace.

Elements lose electrons to complete their octet.

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

The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:
Formed by the dehydration of ethanol by concentrated sulphuric acid.