Elements and Compounds
Elements and Compounds: Overview
This topic covers concepts, such as Inorganic Compounds, pH of Organic Compounds, Organic Compounds, Unsaturated Carbon Compounds, Chemical Properties of Metals, Physical Properties of Metals, Properties of Noble Gases, 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 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?
Who stated, "Life is a photochemical phenomenon"?
Most of diverse molecules of cell are:
Free energy change () of a reaction is referred to as the amount of energy _____.
What is the smallest element of a matter?
Which of the following metal reacts reversibly with steam ?
