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Class ix- science-acid
1.
ehj −nËZ£ ¢hou -
fË¡L«¢aL ¢h‘¡e AÇm ACID
2.
AÉ¡¢pX h¡ AÇm
3.
−mh¤, −aya¥m, cC
ü¡−c VLz L¡lZ :- −mh¤−a B−R p¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pXL¡lZ :- −mh¤−a B−R p¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pXp¡C¢VÊL AÉ¡¢pX −aya¥−m B−R V¡VÑ¡¢lL AÉ¡¢pXV¡VÑ¡¢lL AÉ¡¢pXV¡VÑ¡¢lL AÉ¡¢pXV¡VÑ¡¢lL AÉ¡¢pX cC H B−R mÉ¡L¢VL AÉ¡¢pXmÉ¡L¢VL AÉ¡¢pXmÉ¡L¢VL AÉ¡¢pXmÉ¡L¢VL AÉ¡¢pX
4.
AÉ¡¢p−Xl pw‘¡ −k pjÙ¹
−k±−Nl j−dÉ d¡a¥ h¡ d¡a¥djÑ£ j§mL à¡l¡ fË¢aÙÛ¡fe−k¡NÉ HL h¡ HL¡¢dL q¡C−XÊ¡−Se flj¡Z¤ haÑj¡e, k¡ pÇf¨ZÑ h¡ Bw¢nLi¡−h fË¢aÙÛ¡¢fa q−u mhZ Evfæ L−l Hhw−k −k±N r¡l h¡ r¡l−Ll p−‰ ¢h¢œ²u¡Evfæ L−l Hhw−k −k±N r¡l h¡ r¡l−Ll p−‰ ¢h¢œ²u¡ L−l mhZ J Sm Evfæ L−l a¡−cl AÉ¡¢pX h−mz Zn + H2sO4= Zn SO4+ H2 Mg + 2Hcl = MgCl2 + H2 2HCl + Ca(OH)2 = CaCl2 + 2H2O (AÉ¡¢pX) + (r¡l) = (mhZ) + (Sm)
5.
2)Bl−q¢eu¡−p ¢h−u¡Seh¡c Ae¤p¡−l
AÉ¡¢p−Xl pw‘¡ −kph q¡C−XÊ¡−Se O¢Va −k±N Sm£u âh−Z ¢h−u¡¢Sa q−u LÉ¡V¡ue h¡ de¡aÈL Bue l©−f −Lhmj¡œ q¡C−XÊ¡−Se Bue (H+) Evfæ L−l a¡−cl AÉ¡¢pX h−mz −kje- H2SO4 H+Sm£u âh−Z H+ Bue R¡s¡ AeÉ −L¡e LÉ¡V¡ue −cu e¡ a¡C H2SO4 HL¢V AÉ¡¢pXz H2SO4 = 2H + SO4
6.
7.
AÉ¡¢p−Xl djÑ h¡
°h¢nøÉ L) ü¡c - AÉ¡¢pX ü¡−c AÇm h¡ VLz M) ¢e−cÑn−Ll hZÑ f¢lhaÑe – AÉ¡¢p−Xl Sm£u âhe e£m ¢mVj¡p−L m¡m L−lz N) d¡a¥l p−‰ ¢h¢œ²u¡ -N) d¡a¥l p−‰ ¢h¢œ²u¡ - q¡C−XÊ¡−S−el −Q−u A¢dL a¢sv de¡aÈL d¡a¥l (−kje - Ca,Mg, Zn ,CaÉ¡¢c) p−‰ AÉ¡¢pX ¢h¢œ²u¡ L−l H2 NÉ¡p Evfæ L−lz Mg +2HCl = Mgcl2 +H2
8.
O) r¡l−Ll p−‰
¢h¢œ²u¡ AÉ¡¢pX d¡ah A„¡CX h¡ q¡C−XÊ¡„¡C−Xl p−‰ ¢h¢œ²u¡u mhe J Sm Evfæ L−lz Zno + H so = Znso + H oZno + H2so4 = Znso4 + H2o NaoH + Hcl = Nacl + H2o
9.
P) AÉ¡¢pX Sm£u
âh−e Bu¢ea q−u H+ Bue Evfæ L−lzBue Evfæ L−lz HCl = H+ + Cl-
10.
AÉ¡¢p−Xl −nËe£¢hi¡N- L) Evp
Ae¤k¡u£ c¤Ci¡−N i¡N Ll¡ k¡u A) A°Sh AÉ¡¢pX - HCl, HNO3 , H2SO4, B) °Sh AÉ¡¢pX - HCOOH, CH3COOH, H2SO4
11.
M) Bu−e ¢h−u¡¢Sa
qJu¡l fËhea¡ Ae¤k¡u£ c¤-i¡−N i¡N Ll¡ k¡uz B) jªc¤ AÉ¡¢pX- H2CO3,CH3COOH,H3PO4 A) a£hË AÉ¡¢pX - HCl, H2SO4, H2SO4
12.
A) q¡C−XÊ¡¢pXA) q¡C−XÊ¡¢pXA)
q¡C−XÊ¡¢pXA) q¡C−XÊ¡¢pX ---- HCl, HBr, HCN B) A¢„B) A¢„B) A¢„B) A¢„---- AÉ¡¢pXAÉ¡¢pXAÉ¡¢pXAÉ¡¢pX ---- HNO3, H2SO4, H3PO4 N) Be¢hL NWe Ae¤k¡u£ fËd¡ea c¤i¡−N i¡N Ll¡ k¡u A¢„ AÉ¡¢pX−L Bh¡l L−uL¢V −nËe£−a i¡N Ll¡ k¡u A) Bp AÉ¡¢pXA) Bp AÉ¡¢pXA) Bp AÉ¡¢pXA) Bp AÉ¡¢pX ---- HClO2 −LÓ¡l¡p BÉ¡¢pX−LÓ¡l¡p BÉ¡¢pX−LÓ¡l¡p BÉ¡¢pX−LÓ¡l¡p BÉ¡¢pX B) CL AÉ¡¢pXB) CL AÉ¡¢pXB) CL AÉ¡¢pXB) CL AÉ¡¢pX ---- HClO3 −LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pXB) CL AÉ¡¢pXB) CL AÉ¡¢pXB) CL AÉ¡¢pXB) CL AÉ¡¢pX ---- HClO3 −LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pX−LÓ¡¢lL BÉ¡¢pX C) q¡C−f¡ AÉ¡¢pXC) q¡C−f¡ AÉ¡¢pXC) q¡C−f¡ AÉ¡¢pXC) q¡C−f¡ AÉ¡¢pX ---- HOCl q¡C−f¡−LÓ¡l¡p AÉ¡¢pXq¡C−f¡−LÓ¡l¡p AÉ¡¢pXq¡C−f¡−LÓ¡l¡p AÉ¡¢pXq¡C−f¡−LÓ¡l¡p AÉ¡¢pX D) f¡l AÉ¡¢pXD) f¡l AÉ¡¢pXD) f¡l AÉ¡¢pXD) f¡l AÉ¡¢pX ---- HClO4 f¡l−f¡l−f¡l−f¡l−LÓ¡¢lL AÉ¡¢pX¡¢lL AÉ¡¢pX¡¢lL AÉ¡¢pX¡¢lL AÉ¡¢pX O) S¡le rja¡ Ae¤k¡u£ c¤i¡−N i¡N Ll¡ k¡uz A) S¡lL AÉ¡¢pXA) S¡lL AÉ¡¢pXA) S¡lL AÉ¡¢pXA) S¡lL AÉ¡¢pX ---- HNO3, H2SO4, B) AS¡lL AÉ¡¢pXB) AS¡lL AÉ¡¢pXB) AS¡lL AÉ¡¢pXB) AS¡lL AÉ¡¢pX ----HCl,HBr,
13.
AÉ¡¢p−Xl r¡lNË¡¢qa¡ −L¡−e¡ AÉ¡¢p−Xl
HL¢V Ae¤−a d¡ah flj¡e¤ h¡ d¡a¥ pcªn −k±N j§mL à¡l¡ fË¢aÙÛ¡fe −k¡NÉ ka pwMÉL q¡C−XÊ¡−Se flj¡e¤ b¡−L −pC pwMÉ¡−L AÉ¡¢p−Xl r¡lNË¡¢qa¡ h−mzr¡lNË¡¢qa¡ h−mz A) HLr¡l£u AÉ¡¢pX - HCl, HNO3 B) ¢àr¡l£u AÉ¡¢pX - H2SO4, C) ¢Hr¡l£u AÉ¡¢pX - H3PO4
14.
AÉ¡¢p−Xl ne¡š²Lle A) AÉ¡¢p−Xl
pwØf−nÑ e£m ¢mVj¡p m¡m q−u k¡uz
15.
B) mO¤ AÉ¡¢p−Xl
j−dÉ Mg-d¡a¥ −k¡N Ll−m heÑq£e ,Nåq£e H2 NÉ¡p ¢eNÑa qu,k¡l j−dÉ SÆm¿¹ L¡¢W dl−m L¡¢W¢V ¢e−i k¡uz ¢L¿¹¥ H2 NÉ¡p e£m ¢nM¡u SÆm−a b¡−Lz
16.
C) Na2CO3 h¡
NaHCO3 âh−e AÉ¡¢pX −k¡N Ll−m h¤ch¤c pq Co2 NÉ¡p ¢eNÑa q−a b¡−Lz NÉ¡p¢V üµR Q¥eS−ml j−dÉ Q¡me¡ Ll−m Q¥eSm −O¡m¡ q−u k¡uz
17.
deÉh¡c L¡¢j¢e L¥j¡l ¢pwq
−j−j¡¢lu¡m EµQal PREPARED BY SANJIB ROY & PRESENTED BY SMT.N. ROY L¡¢j¢e L¥j¡l ¢pwq −j−j¡¢lu¡m EµQal j¡dÉ¢jL ¢hcÉ¡mu
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