Organic Chemistry — Chemistry STD 10 — Question

When sulphuric acid reacts with compound X, white precipitates are formed, which are insoluble in all types of mineral acids like HCl and nitric acid. What is the compound X ?

An oxide which dissolves in water forming an acid.

In a group the atomic size from top to bottom :

The molecule of sulphuric acid has :

Electrovalent compounds are :

The hydrocarbon which can form substitution compounds only is:

Halogenation of alkane can be carried out in :

The ions present in an electrolyte are Na⁺, H⁺, Pb2⁺, K⁺. Their order of preferential discharge during electrolysis is:

Soda-lime is a mixture of ________ .