Elements and Compounds
Elements and Compounds: Overview
This topic covers concepts, such as, Elements and Compounds, Organic Compounds, Acidic Organic Compounds & pH of Organic Compounds etc.
Important Questions on Elements and Compounds
The most regularly utilized material during insulations from overhead lines is _____.

A piece of sawn timber whose cross-sectional dimensions exceed cm, in one direction and cm in the other direction, is called a _____.

Amorphous aluminosilicate minerals like allophane have ______ negative charge, partly or entirely balanced by complex aluminium cation.

The kiln which may work throughout the year, is_____.

The enzyme that coagulates milk into curd is _____ ?

To cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature-

The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)

Energy required for the electron excitation in Li++ from the first to the third Bohr orbit is :

A balloon filled with helium rises in air because-

The percentage of carbon in steel is-

Which chemical is mixed into a colour by which cancer produces in the Human body?

Which of the following filler material can be used for brazing?

Caustic embrittlement, a type of stress corrosion contains deposition of corrosion products,


Who stated, "Life is a photochemical phenomenon"?

Free energy change () of a reaction is referred to as the amount of energy _____.

More active metal used in sacrificial anodic protection method is known as,

Which of the following metal reacts reversibly with steam ?

Which of the following is not a Physical change?

