CHEMICAL RERCTIONS
AND EQUATIONS
CHAPTER-1
CLASS 10-CHEMISTAY
1. CHEICAL REACTION 2.CHEMICAL EQU ATION
when one or mote Bubatonces • A cherial reactlon Coh be represented by
(reoclans)undergo chemcal chanqe Bymbols and kormula e of he substances
to form new subsiones(producis),t4 holved tn the veacton.
Called achemialreaclion.
exampe:
wordeauation:agheslumtoxggen raghesatm
Oxde
SPeletal equatoni mg +02 → ngo
Peockants Prcduct Balkncedeuotioni 2mgto-72go
3. BALA NC ED EQUATIION 4. Sieh o Ralance Equa tfon.
A talanced chenial e,otion kasenjaal no wrteethe unba lan ed eauatfon.
of atoms of each elementon both 4te Count the no- of adng of each elem@rt
stdes of the enwalfon Balonce themetals /omplex ohs st.
follous Law of conservalioMofmass. Ba lance noh-metals net.
$ alance H atoms and 4hen O atoms
mass can neher be creatednor
o Re chek andensute no.of atans of each
desttoyed,fkcan ony be tansomed element fs 8ane on both side
Pom one Rovm fo Ghother
TI:Change the coe icients,neve change Bub8crtpis
5.[YPES Of CH EMICAL REACTIONS
GLgneaeyun Exlau E Xample
Two or no re Bubslances C+oz ln (lembinattor
Lcombinaton comldnestofona shgle
Troduet
2.Decorpositon Compoure breadtli doun ndo Calos Caottoz[Deson.]
sfmluaytohees.
3.Displaee ment Amote teacsve elemet
disphcealesuveac- elemert
4.Double Displs. Iong of-tuo Cesmq. exchongeNazSo4 +3ad,→Basqd 42Nod
4oforn teontlw Com.
S.Redox oxidaton & tedu oceursirm Cuo He→ Cuteo lReda)
OxtdationAdatkon otoxygen/Rehcal
of hyduogon Lossof electrovs
Keduetfon:Removal ofoxygen/Bddnon
of kydroqen (oainof electrong
AND EQUATIONS
CHAPTER-1
CLASS 10-CHEMISTAY
1. CHEICAL REACTION 2.CHEMICAL EQU ATION
when one or mote Bubatonces • A cherial reactlon Coh be represented by
(reoclans)undergo chemcal chanqe Bymbols and kormula e of he substances
to form new subsiones(producis),t4 holved tn the veacton.
Called achemialreaclion.
exampe:
wordeauation:agheslumtoxggen raghesatm
Oxde
SPeletal equatoni mg +02 → ngo
Peockants Prcduct Balkncedeuotioni 2mgto-72go
3. BALA NC ED EQUATIION 4. Sieh o Ralance Equa tfon.
A talanced chenial e,otion kasenjaal no wrteethe unba lan ed eauatfon.
of atoms of each elementon both 4te Count the no- of adng of each elem@rt
stdes of the enwalfon Balonce themetals /omplex ohs st.
follous Law of conservalioMofmass. Ba lance noh-metals net.
$ alance H atoms and 4hen O atoms
mass can neher be creatednor
o Re chek andensute no.of atans of each
desttoyed,fkcan ony be tansomed element fs 8ane on both side
Pom one Rovm fo Ghother
TI:Change the coe icients,neve change Bub8crtpis
5.[YPES Of CH EMICAL REACTIONS
GLgneaeyun Exlau E Xample
Two or no re Bubslances C+oz ln (lembinattor
Lcombinaton comldnestofona shgle
Troduet
2.Decorpositon Compoure breadtli doun ndo Calos Caottoz[Deson.]
sfmluaytohees.
3.Displaee ment Amote teacsve elemet
disphcealesuveac- elemert
4.Double Displs. Iong of-tuo Cesmq. exchongeNazSo4 +3ad,→Basqd 42Nod
4oforn teontlw Com.
S.Redox oxidaton & tedu oceursirm Cuo He→ Cuteo lReda)
OxtdationAdatkon otoxygen/Rehcal
of hyduogon Lossof electrovs
Keduetfon:Removal ofoxygen/Bddnon
of kydroqen (oainof electrong
