Elements and Compounds
Elements and Compounds: Overview
This topic covers concepts, such as Physical Properties of Metals, Elements and Compounds, Combustion Reaction, Conductors of Heat and Electricity, pH of Organic Compounds & Inorganic 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 _____.

The Cetane number is measurement of the combustion quality of.......?

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

_____ in Latino clover is governed by two dominant alleles; one produces cyanogen glycoside, while the other releases the enzyme to catalyse its release from glycoside.

The kiln which may work throughout the year, is_____.

The enzyme that coagulates milk into curd is _____ ?

The percentage of carbon in pig iron varies from

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?

Colloids are purified by ________

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"?

Most of diverse molecules of cell are:
