Presentation -oxygen( o2) For class 9

ehj −nËZ£
¢hou - fË¡L«¢aL ¢h‘¡e

f¡W - A¢„−Sef¡W - A¢„−Se

A¢„−Se
fËL«¢a−a AeÉ¡eÉ −j±−ml a¥me¡u ph−Q−u −hn£ f¢lj¡−Z
f¡Ju¡ k¡uz j¤š² AhÙÛ¡u h¡u¤−a, q¡C−XÊ¡−S−el p−‰
−k±Nl©−f S−m A¢„−Se b¡−Lz e¡C−VÊV, L¡hÑ−eV, p¡m−gV−k±Nl©−f S−m A¢„−Se b¡−Lz e¡C−VÊV, L¡hÑ−eV, p¡m−gV
fËi«¢a fË¡L«¢aL mhZ, j¡¢V−a A−eL M¢eS fc¡−bÑ Hhw
fË¡Z£ J E¢ác SN−al ¢h¢iæ Ef¡c¡−eJ A¢„−Se A¢dL
f¢lj¡−Z b¡−Lz

fl£r¡N¡−l A¢„−S−el fËÙ¹¥¢a
e£¢a :-
fl£r¡N¡−l fV¡¢pu¡j −LÓ¡−lV jÉ¡‰¡e£S-X¡C A„¡C−Xlfl£r¡N¡−l fV¡¢pu¡j −LÓ¡−lV jÉ¡‰¡e£S-X¡C A„¡C−Xl
¢jnËZ−L Ešç L−l A¢„−Se fËÙ¹¥a Ll¡ quz
2KClO3 +[MnO2]=2KCl + 3O2 + [MnO2]

¢he¡a¡−f h¡ p¡d¡lZ Eo·a¡u A¢„−Se fËÙ¹¥¢a
pj£LlZ- 2Na2O2 + 2H2O = 4NaOH +O2

A¢„−S−el djÑ
−i±a djÑ -
(L) A¢„−Se hZÑq£e, Nåq£e NÉ¡pz
(M) S−m M¤h p¡j¡eÉ â¡hÉz
(N) n£am AhÙÛ¡u (-183 −px) NÉ¡p¢Vl Efl
Efk¤š² Q¡f fË−u¡N Ll−m A¢„−Se e£m¡i al−m
f¢lZa quz I alm−L BlJ n£am Ll−m
(-219 −px) L¢We A¢„−Se f¡Ju¡ k¡uz0
0

l¡p¡u¢eL djÑ
(1) A¢„−S−el hýl©fa¡ J l©f−ic - ¢ae¢V A¢„−Se flj¡Z¤ k¤š²
q−u J−S¡e (O3) NÉ¡−pl HL¢V Ae¤NWe L−lz AbÑ¡v J−S¡e
A¢„−S−el HL¢V l©f−icz
(2) l¡p¡u¢eL p¢œ²ua¡ - A¢„−Se HL¢V A¢a-p¢œ²u −j±¢mL fc¡bÑz(2) l¡p¡u¢eL p¢œ²ua¡ - A¢„−Se HL¢V A¢a-p¢œ²u −j±¢mL fc¡bÑz
(3) A¢„−Se ¢e−S SÆ−m e¡z ¢L¿¹¥ AeÉ hÙ¹¥−L SÆm−a p¡q¡kÉ L−lz
(4) d¡a¥ J Ad¡a¥l p−‰ A¢„−S−el ¢h¢œ²u¡u A„¡CX −k±N NWe L−lz

L¡hÑ−el p−‰ ¢h¢œ²u¡
Ešç L¡W Lum¡ A¢„−S−e SÆ−m L¡hÑe-X¡C-A„¡CX
NÉ¡p Evfæ L−lz
C + O2 = CO2
Lj A¢„−S−e L¡hÑe−L −f¡s¡−m L¡hÑe-j−e¡ A„¡CX
(CO) Evfæ quz( ) Evfæ quz
2C + O2 = 2CO
A¢„−S−e q¡C−XÊ¡−Se NÉ¡p−L −f¡s¡−m q¡C−XÊ¡−Se e£m¡i
¢nM¡u SÆ−m Hhw Sm£u h¡×f Evfæ quz
2H2+O2=2H2O
q¡C−XÊ¡−S−el p−‰ ¢h¢œ²u¡

e¡C−VÊ¡−S−el p−‰ ¢h¢œ²u¡
¢hc¤Év Øg¥¢m−‰l p¡q¡−kÉ fË¡u 3000 −px Eo·a¡u
e¡C−VÊ¡−Se J A¢„−Se ¢h¢œ²u¡ L−l e¡C¢VÊL A„¡CX
(NO) NÉ¡p Evfæ L−lz
0
(NO) NÉ¡p Evfæ L−lz
N2+O2=2NO

−p¡¢Xu¡−jl p−‰ ¢h¢œ²u¡
SÆm¿¹ −p¡¢Xu¡j−L A¢„−Se f§ZÑ NÉ¡pS¡−l −gm−m
−p¡e¡m£ ¢nM¡pq SÆ−m −p¡¢Xu¡j j−e¡-A„¡CX Hhw
−p¡¢Xu¡j f¡l A„¡CX (Na2O2) Evfæ L−lz−p¡¢Xu¡j f¡l A„¡CX (Na2O2) Evfæ L−lz
4Na+O2=2Na2O
2Na+O2=Na2O2

¢S−ˆl p−‰ ¢h¢œ²u¡
¢Sˆ−L A¢„−S−e Ešç Ll−m p¡c¡ fn−jl
ja ¢Sˆ A„¡CX (ZnO) −k±N Evfæ quzja ¢Sˆ A„¡CX (ZnO) −k±N Evfæ quz
H−L c¡nÑ¢e−Ll Em h−mz

−m¡q¡l p−‰ ¢h¢œ²u¡
1)−m¡¢qa aç −m¡q¡−L A¢„−S−e fË−hn Ll¡−m −m¡q¡ ESÆm
q−u SÆm−a b¡−L Hhw −nÄaaç Øg¥¢m‰ EcÚN£lZ L−l
−g−l¡−p¡−L¢lL A„¡CX (Fe3O4) Evfæ L−lz H¢V HL¢V k¤NÈ
A„¡CXz
3Fe+2O2=Fe3O4
2)p¡d¡lZ Eo·a¡u BâÑ h¡u¤l j−dÉ −m¡q¡−L ¢LR¥¢ce −g−m2)p¡d¡lZ Eo·a¡u BâÑ h¡u¤l j−dÉ −m¡q¡−L ¢LR¥¢ce −g−m
l¡M−m −m¡q¡l Efl m¡m−Q h¡c¡j£ l−Pl BÙ¹le f−lz HC
BÙ¹le−L j¢lQ¡ h−mz j¢lQ¡l l¡p¡u¢eL pw−La qm,
2Fe2O3,3H2O
--- A¢„−Se HL¢V a£hË S¡lL fc¡bÑ ¢qp¡−h L¡S L−lz
Ec¡qlZ:- 2Fe+O2=2FeO
C+O2=CO2

--- A¢„−S−el ¢hS¡le ¢œ²u¡ A¢„−Se gÓ¥¢le−L
¢hS¡¢la L−lz H¢V A¢„−S−el ¢hS¡le d−jÑl
Ec¡qlZzEc¡qlZz

A¢„−S−el −n¡oL
r¡l£u fV¡¢pu¡j f¡C−l¡ NÉ¡−mV âhZ A¢„−Se
NÉ¡p−L −n¡oZ L−l h¡c¡j£ hZÑ d¡lZ L−lzNÉ¡p−L −n¡oZ L−l h¡c¡j£ hZÑ d¡lZ L−lz

A¢„−S−el pe¡š²LlZ
HL¢V ¢nM¡q£e SÆm¿¹ nm¡L¡−L A¢„−Se
NÉ¡−p fË−hn Ll¡−m nm¡L¡¢V ESÆm ¢nM¡ pqNÉ¡−p fË−hn Ll¡−m nm¡L¡¢V ESÆm ¢nM¡ pq
SÆm−a öl¦ L−lz HC fl£r¡l p¡q¡−kÉ
p¡d¡lZ i¡−h A¢„−Se−L pe¡š² Ll¡ quz

A¢„−S−el hÉhq¡l
1)S£he d¡l−el SeÉ A¢„−S−el fË−u¡Se quz A¢„−S−el
p¡q¡−kÉ fË¡Z£SNv nÄ¡pL¡kÑ Q¡me¡ L−lz
2)jle¡fæ −l¡N£,fhÑa¡−l¡q£ J S−ml e£−Q X¥h¤¢l−cl nÄ¡pL¡kÑ2)jle¡fæ −l¡N£,fhÑa¡−l¡q£ J S−ml e£−Q X¥h¤¢l−cl nÄ¡pL¡kÑ
pqSi¡−h Q¡m¡−a A¢„−Se hÉhq¡l Ll¡ quz
3)p¡m¢gE¢lL AÉ¡¢pX J e¡C¢VÊL AÉ¡¢p−Xl ¢nÒf Evf¡c−e
A¢„−Se hÉhq©a quz

fhÑa¡−l¡q£
jle¡fæ −l¡N£X¥h¤¢l jle¡fæ −l¡N£X¥h¤¢l

deÉh¡c
L¡¢j¢e L¥j¡l ¢pwq −j−j¡¢lu¡m EµQal
Prepared & Presented by S.Majumder and SANJIB ROY
L¡¢j¢e L¥j¡l ¢pwq −j−j¡¢lu¡m EµQal
j¡dÉ¢jL ¢hcÉ¡mu

Presentation -oxygen( o2) For class 9

More Related Content

What's hot (20)

More from SANJIB ROY (14)

Recently uploaded (8)

Presentation -oxygen( o2) For class 9