Explain the following ?
Matter, Element, Atom, Compound, Molecule, Mixture, Physical
change, Chemical change
Answer / 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 |
What makes a molecule into organic molecule?
What is the reaction that occurs between iodine and sodium thiosulphate?
hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very poor.my university requirement is only tofel.i completed my b.pharmacy in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very tensed.how to sought out my problem
What is Distillation ?
What is photoelectric colorimeter?
Why is an echo not heard in a small room ?
What is the chemical formula of alum?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
Differentiate between modern periodic table and mendeleevs table?
With what metal, chocolates, cigarettes etc. are wrapped ?
What are filters? Why are they used?
Why is eriochrome black t indicator cannot be used in this experiment?