Explain the following ?

Matter, Element, Atom, Compound, Molecule, Mixture, Physical
change, Chemical change

Answer Posted / guest

Matter:-The thing having weight occupies space is known as
matter.

Element:-From of matter which cannot be decomposed into
simpler substance are known ad element.

Atom:-The smallest particles of an element may or may not be
capable of independent existence is known as Atom.

Compound:-It is a substance produced after combining two or
more elements in a definite proportion

Molecule:- It is the smallest particle of an element or a
compound having independent existence.

Mixture:- The mixture of two or more elements or compounds
mixed unproprtionately

Physical change:-A temporary changes in which the identity
of a substance does not change is known as physical change.

Chemical change:-A permanent change in which the identity of
substance changes is known as chemical change

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is equivalent conductivity?

765


why is acetic acid less conductive than hcl?

732


Why USP put two methods for tapped density? When I should use each one?

2612


Define Vulcanization?

707


How is arsenic produced?

652






How is brass solution prepared?

661


What happens when the excess of stannous chloride is not removed

695


What makes a molecule into organic molecule?

752


What is the reaction that occurs during the titration?

672


However ozone is heavier than oxygen still ozone is up there in sky why?

548


What is the difference between fractionation and distillation?

596


Mention a few important criteria for satisfactory colorimetric analysis.

1032


What is kentchin?

598


What are the products formed after cod analysis?

834


What are the constituents of cements?

604