0
MATTER
01
PURE
MIXTURE
SUBSTANCE
Q) When
ELEMENTS COMPOUNDS HOMOGENEOUS HETEROGENEOUS
each at S
(A) 0.5 (
01 08
Q) Which one of the following is not a mixture ? sto
(A) Tap water (B) Distilled water
ter cal ichi
(C) Salt in water (D) Oil in water m at cul ome
ur e of ati tri
ons c
Nat
Laws of chemical combination
LAW OF LAW OF LAW OF LAW OF AVOGADRO’S
tion l
CONSERVATION DEFINITE MULTIPLE GASEOUS LAW
Limiting
bina mica
02
OF MASS PROPORTION PROPORTION VOLUMES
02
s
Reactant
com of che
some basic 07
s
LAVOISIER JOSEPH PROUST JOHN DALTON GAY LUSSAC AMEDEO AVOGADRO
L aw
1789 1799 1803 1808 1811
Q) Which one of the following pairs of compound
illustrate the law of multiple proportions ?
(A) H2O, Na2O (B) MgO, Na2O
concepts of
(C) Na2O, BaO (D) SnCl2, SnCl4
Dalton’s 03
chemistry 06
ATOMS MAKE UP
ALL MATTER
ATOMS OF
THE SAME ELEMENT
ATOMS CANNOT BE
CREATED, DIVIDED,
atomic theory EF & MF
03
ARE IDENTICAL OR DESTROYED
ATOMS OF DIFFERENT IN CHEMICAL
ELEMENTS CAN COMBINE REACTIONS, ATOMS ARE
TO FORM COMPOUNDS IN REARRANGED, COMBINED,
SIMPLE WHOLE NUMBER AND SEPARATED
RATIOS
Mole concept Percentage