Acids, Bases and Salts — Chemistry STD 10 — Question

Conc. sulphuric acid is used in the laboratory preparation of nitric acid, as sulphuric acid is ________. [most volatile/least volatile]

When methane is heated to a high temperature in the absence of oxygen, it yields _______ and _______ This reaction is known as _______ or _______

Hydrogen is a non-metal which is placed at the head of a group of most active________(non-metals/metals).

When an atom or an ion loses an electron, it is said to be ________. (oxidised/reduced)

Bayers reagent is _________ .

The number of atoms present in one molecule of a substance is its____________

Sulphuric acid is a. _______ acid.

The compound formed when ethene reacts with hydrogen is _______ .

Stainless steel contains _______ .

Complete :
The organic acid present in vinegar is ……………………..