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Questions and Answers
Maxay ka dhigan tahay ACID marka loo eego pH?
Maxay ka dhigan tahay ACID marka loo eego pH?
- pH ka yar 7 (correct)
- pH u dhaxaysa 3.5 ilaa 7 (correct)
- pH ka sarreeya 14
- pH u dhaxaysa 0 ilaa 3.5 (correct)
Waa maxay sababta the strong acids sida HCl iyo H2SO4 ay u yihiin acids muhiim ah?
Waa maxay sababta the strong acids sida HCl iyo H2SO4 ay u yihiin acids muhiim ah?
- Waxay soo saaraan H+ ions (correct)
- Kaliya waxay ka kooban yihiin hal unug
- Waxay leeyihiin pH ka sarreeya 10
- Ma leeyihiin OH- ions (correct)
Waa maxay sifooyinka alkaline ee lagu garto?
Waa maxay sifooyinka alkaline ee lagu garto?
- Ions OH- ayaa jira (correct)
- Waa mid aan kiimiko ahayn
- Waxay yihiin acids xooggan
- pH u dhaxaysa 0 ilaa 7
Maxay acids u hogaaminaan in la kordhiyo H+ ions?
Maxay acids u hogaaminaan in la kordhiyo H+ ions?
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Keebaa ka mid ah liistada ku xusan waa alkaline?
Keebaa ka mid ah liistada ku xusan waa alkaline?
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Study Notes
Acids (ACID)
- Acids waxay leeyihiin pH ka hooseeya 7.
- Acids magacooda si guud loogu yaqaan inay yihiin xasaasi.
- Acids kiimiko ahaan waxay soo saaraan ion H+ (proton) marka la dhoobo.
- Acids xoog leh sida HCl, H2SO4, iyo HNO3 waxay leeyihiin pH ka hooseeya 3.5.
- Acids daciif ah sida CH3COOH waxay leeyihiin pH u dhexeeya 3.5 ilaa 7.
- Acids wanaagsan waxay khatar keeni karaan oo ay sababi karaan gubasho.
- Haddii H+ ion lagu shubo (dhalkeedi) waxay sababi kartaa in deegaanka ay noqoto acidic.
- Acids waxay leeyihiin saameyn weyn oo xagga kiimikada ah, sida wadarta deegaanka.
Bases (BASE)
- Bases waxay leeyihiin pH ka sareeya 7.
- Bases magacooda si guud loogu yaqaan inay yihiin badnaan macnaheeda tirtir.
- Bases kiimiko ahaan waxay soo saaraan ion OH- marka la dhoobo.
- Bases xoog leh sida NaOH, KOH, iyo Ca(OH)2 waxay leeyihiin pH u dhexeeya 7 ilaa 10.5.
- Bases daciif ah sida NH4OH waxay leeyihiin pH u dhexeeya 10.5 ilaa 14.
- Iyada oo la isticmaalayo bases, ion OH- ayaa laga dhex helaa.
- Bases waxay door muhiim ah ka ciyaaraan falanqaynta kiimikada iyo wax-soo-saarka.
- Bases waxay la shaqeeyaan acids si ay u sameeyaan falcelinno kiimiko oo kala duwan.
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