CHEMISTRY TEST
| Description: This test helps the student to revise for exam | |
| Number of Questions: 25 | |
| Created by: Vijay Palan | |
| Tags: S-block elements metallurgy atomic structure etc Principle and Process of Extraction of Elements Electronic Configuration of Elements Atomic Structure Fundamental Particles Basic Concepts of Chemistry Types of Elements Periodic Trends in Properties Nomenclature of Elements |
Heating the ore in the absence of air below its melting point is called ____.
Zone melting is a process used for _____.
The size of nucleus is measured in ___.
The heaviest particle is ____ .
Lanthanides are elements of ___
The most electropositive element is ___.
Which of the following configurations is not possible?
Diagonal relationship exists between lithium and ____.
____is the most abundant alkali metal in nature.
Which one of the following is the lightest metal?
Alkali metals do not exist in free state in nature because they are____.
Carbon reacts with metals to form____.
The nature of bonds in the compounds of carbon and silicon is mostly
If two elements have the same crystal structure and analogous formulae, they are called____.
The inactive form of carbon is ____
The configuration of each carbon atom in diamond is ____.
The kinetic theory of gases predicts that the total kinetic energy of the gas depends on ___.
The process in which an ore is heated in excess of air below its melting point is known as ____.
The Van der Wall's equation explains the behaviour of ___.
If n=4, l=3, m=-2 s=1/2 then the orbital designation is ___.
The indicator used for the titration of sodium hydroxide with hydrochloric acid is ____.
Purification of silicon used in semi conductors is done by
The characteristic colour imparted during flame test by sodium is
___________ is obtained by electrometallurgy.
One mole of electrons is equal to 1 ___.