Bksl voLFkk 2020-21

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Questions and Answers

Maxay tahay tirada Avogadro?

$1.204 \times 10^{24}$
$3.014 \times 10^{23}$
$9.033 \times 10^{23}$
$6.022 \times 10^{23}$ (correct)

Waa maxay qaaciddada kiimikada ee NaCl?

CaCl2
K2SO4
SrCl2
NaCl (correct)

Waa maxay halkii dhulka (density) ee NaCl marka loo eego xaddiga la cayimay?

1.0 g/cm³ (correct)
2.0 g/cm³
0.5 g/cm³
1.5 g/cm³

Maxaa dhacaya haddii NaCl lagu daro SrCl2 oo la cayimay 10$^{-3}$%?

Staatistiki ayaa isbadali doonta. (C) Signup and view all the answers

Maxay yihiin qaabab dhuleed ee la xiriira alkalaaja kharashka?

YksgpqacdRo (B), vuqpqacdRo (C) Signup and view all the answers

Maxay tahay tixraaca madax-bannaanida ee la sheegay in laga hadlayo?

Iyada oo aan hogaaminta dhaqan-dhaqaale lagu laheyn (C) Signup and view all the answers

Waa maxay dhibaatooyinka ka imaan kara kalsooni la'aan?

Yaraynta xiriirka bulshada (D) Signup and view all the answers

Maxay tahay marinka ugu weyn ee lagu gaari karo horumarka bulshada?

Kordhinta aqoonta iyo xirfadaha (A) Signup and view all the answers

Waa maxay muhiimadda hogaaminta bulshada?

In la hubiyo in qof walba codkiisa la maqlayo (D) Signup and view all the answers

Maxay tahay saameynta khaldanta ee dhaqamada kala duwan?

Khaladaadka lagu sameeyo isdhexgalka (A), Korodhka isfahan la'aanta (C) Signup and view all the answers

Waa maxay muhiimadda isbadalka dhaqan-dhaqaale?

Kordhinta helitaanka shaqo (C) Signup and view all the answers

Maxay tahay saameynta dib-u-dhiska bulshada?

Kororka fursadaha waxbarasho (B) Signup and view all the answers

Waa maxay sababta shuruudaha ficilka bulshada muhiim ugu yihiin?

Hagaajinta damiirka bulshada (A) Signup and view all the answers

Maxay yihiin sababaha ugu muhiimsan ee xayawaanka caafimaadkooda saameeya?

Cudurada faafa (A), Cuntooyinka aan caafimaadka lahayn (C) Signup and view all the answers

Sidee bay xayawaannu ugu baahan yihiin in lagu daryeelo caafimaadkooda?

Marka aysan cunin cunto ku filan (C), Mar walba iyadoo aan loo eegin xaaladooda (D) Signup and view all the answers

Maxay yihiin qodobbada loogu talagalay in laga hadlo xogta la xiriirta? (Xulo dhammaan kuwa khuseeya)

hawlaha laxariira geedi socodka (B), Heerarka fÜLVy (C) Signup and view all the answers

Maxay tahay saameynta dagdaga ee cudurada faafa ku leeyihiin xayawaanka?

Hoos u dhaca dheef-shiid kiimikaad (C), Dhiigbax (D) Signup and view all the answers

Waa maxay dhibaatooyinka ka imaan kara cunto aan fiicnayn oo xayawaanka ah?

Cudurada maqaarka (B), Hoos u dhac ku yimaada xoogga jidhka (D) Signup and view all the answers

Maxaa keeni kara in natiijada tijaabada ay noqoto mid aan sax ahayn?

Isbarbar dhig aan sax ahayn (C), Isticmaalka agab aan habboonayn (D) Signup and view all the answers

Waa maxay doorka bulshada xayawaanka caafimaadka leh?

Waxbarashada wacyigelinta (B), Cunidda cuntooyinka caafimaadka leh (C) Signup and view all the answers

Maxay ka dhigan tahay marka xaddiga fk=0.98O1.00 la sheegay?

In ay ka turjumayso isbeddel (C) Signup and view all the answers

Maxay yihiin talooyin muhiim ah ee kor u qaadista caafimaadka xayawaanka?

Daryeel tirakoob leh (A), Isku-dhafka cuntooyin kala duwan (C) Signup and view all the answers

Waa maxay sidii loo ogaan lahaa dhibcaha dhaqdhaqaaqa qaybaha miisaanka?

Iyada oo la adeegsanayo mashiinka tijaabada (C), Iyada oo loo marayo hab hawlgal ah (D) Signup and view all the answers

Maxay keeni kartaa sicirka miisaanka ee 8.55 g cm–3?

Inay muujinayso qaddar badan (B) Signup and view all the answers

Maxaa sababi kara xayawaanka inay dhibaato ka soo gaarto isdhexgalka bulsheed?

Kalsooni darro (A), Is-daba-marasho (B) Signup and view all the answers

Maxay tahay sababta aysan xayawaanku u qabi karin caafimaadka wanaagsan?

Fursad la'aan si ay u ciyaaraan (B), Cunto aan fiicnayn (D) Signup and view all the answers

Maxaa loo baahan yahay si loo xaqiijiyo in hawlgalladu jiraan?

Fahmida isbeddelada qaabeynta (A), Dhiirrigelinta si firfircoon (B) Signup and view all the answers

Maxaa dhici kara haddii isbeddello la sameeyo oo miisaanka la cabbiro?

Xaqiijinta dhibcaha ka dhashay milmisha (A), Baahida loo qabo baaritaan dheeri ah (C) Signup and view all the answers

Maxay muhiimka u tahay in la isticmaalo agab bixiya biocompliance?

Waxay ka caawisaa in la yareeyo waxyeelada caafimaadka. (D) Signup and view all the answers

Waa maxay tallaabada la raacayo si loo hubiyo in agabka aanay waxyeelo u geysan?

In la raaco heerarka caalamiga ah ee caafimaadka. (C) Signup and view all the answers

Muxuu dhigaya in la isticmaalo habab kala duwan marka la sameynayo agabyo biomaterials?

In la hagaajiyo tayada agabka. (B) Signup and view all the answers

Maxay yihiin dhibaatooyinka laga yaabo in laga kulmo marka la dabiibayo agabyo biomaterials?

Agabku wuxuu yeelan karaa falcelinno xun. (C) Signup and view all the answers

Muxuu yahay muhiimada tayada agabka biomaterials?

In ay tixgeliyaan waqtiga badbaadada. (B) Signup and view all the answers

Waa maxay sababta aan loo dooran agab aan la tijaabin?

Agabkaasi ma bixin karo natiijooyin la hubo. (A) Signup and view all the answers

Waa maxay kaalmada laga heli karo habka wax soo saarka agabyo biomaterials?

Ka caawinta inay noqdaan kuwo waara. (A) Signup and view all the answers

Sidee loo xaqiijin karaa in agabka biomaterials ay yihiin kuwo waafaqsan shuruucda caafimaadka?

Iyada oo dabagal joogto ah lagu sameeyo. (B) Signup and view all the answers

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Study Notes

Qodobbada Muhiimka ah ee ku saabsan Bksl voLFkk

Bksl voLFkk waa qayb ka mid ah barnaamijka waxbarashada ee 2020-21.
Waxay diiradda saaraysaa daraasadda walxo kala duwan iyo sifooyinkooda.
Qodobada la daraaseeyo waxaa ka mid ah: cabirka unugyada, qaababka kiimikada, iyo isdhexgalka walxaha.
Calaamdaha muhiimka ah ee loo isticmaalo waxaa ka mid ah: 1.21, 1.22, 1.23, iwm. kuwaas oo tilmaamaya qaybaha kala duwan ee daraasadda.
Daraasaddu waxay ku lug leedahay aragtida qiyamka tirada badan sida 4.07 ×10–8 cm ama 8.92 g cm⁻³.
Qaybaha qaarkood waxay kafaalo qaadaan habka loo sameeyo xisaabaadka kiimikada oo ay ku jiraan xisaabaadyo kala duwan, tusaale ahaan, xisaabinta tirada atomyada ama tirada moolikulaha.
Waxaa jira tusaalooyin badan oo lagu xisaabiyo walxaha kala duwan iyo walxaha ay ka kooban yihiin.
Daraasaddu waxay kafaalo qaadaysaa habka loo qeexo walxaha iyo sifooyinkooda, iyo sida loo falanqeeyo isdhexgalka kiimikada.
Waxaa looga hadlayaa noocyada fufoM laoqQyu, ?kuh; fufoM laoqQyu, iyo qaababka kale ee isku dhafka ah.
Daraasaddu waxay muujinaysaa in Bksl voLFkk ay tahay daraasad ballaaran oo ku saleysan cilmiga kiimikada.
Qaybaha kala duwan ee cilmiga kiimikada waxay ku xiran yihiin xisaabaadka go'aaminta qiimaha tirada badan.
Calaamadaha ccp, bcc, fcc waxay tilmaamayaan qaabab kala duwan oo dhismeedka kiimika ah.
Daraasaddu waxay kafaalo qaadaysaa falanqaynta iyo sharaxaada walxaha iyo sifooyinkooda.
Waxaa looga hadlayaa heerarka kala duwan ee walxaha iyo sida ay u saamaynayaan sifooyinka.
Daraasaddu waxay muujinaysaa muhiimada fahamka sifooyinka kiimikada ee walxaha iyo isdhexgalka walxaha.

Qodobo dheeraad ah:

Qaybaha kala duwan ee daraasaddan waxay isku xiran yihiin, taas oo muujinaysa muhiimada fahamka dhamaan qodobbada.
Tusaalooyinka tirada badan waxay ka caawiyaan ardayda inay fahmaan sida loo xisaabiyo oo loo falanqeeyo xogta kiimikada.
Fahmida Bksl voLFkk waxay u sahlaysaa ardayda inay fahmaan mawduucyo kale oo cilmiga kiimikada ah.

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