A gas with pungent smell, which is made up of one atom of nitrogen and three atoms of hydrogen is

Non-magnetic elements are mostly

Paper chromatography is a useful technique in the separation and identification of different

It is a pale yellow, odorless and brittle material, known as

The lead in the pencils is actually a form of carbon that is slippery, smooth and black in color. This form of carbon is

Identification of plant pigments and their isolation is carried out by the process of

Smaller amounts of sulfur are used to vulcanize natural rubbers, in the manufacture of gunpowder and as

The symbol used in the periodic table for lead is

Carbon has the symbol

All the matter is made up of tiny particles known as

The liquid in which the solute dissolves is known as

The basic building blocks that make up each and every object are known as

A substance that lacks the characteristics of metals is known as

Mixture of tartaric acid and sodium bicarbonate forms

The element that builds up nitrates, proteins and is also used in chlorophyll, is

A compound is where atoms of different types are joined or bonded together in

Naturally occurring elements are

Inks, dyes and coloring agents in food can be separated by

Symbol is usually derived from the name of the element, often in

The chemical formula of sodium chloride is

Aluminum, Magnesium, copper, lead, gold are examples of

Out of the three, hydrogen possesses two spaces in a molecule of

A process in which a solid directly changes its state to gas without passing through liquid form is known as

Mixture can be separated, and the kind of separation method depends on the kind of

Brass is an alloy made up of copper and

In first stage, crude oil is heated and changed into

Gas used in electrical generators as a rotor coolant is

This is a silvery-white, lightweight metal, it is soft and malleable and is called

The most important use of Sulphur is in the manufacture of

Hydrogen, helium, carbon, nitrogen are examples of