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Nairaland Forum / Nairaland / General / Education / UTME 2017: Thread For Science Jambites (89844 Views)
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Re: UTME 2017: Thread For Science Jambites by felix00(m): 7:02am On Apr 12, 2017 |
Which of the ffg would give lilac flame colouration and a white precipitate with acidified barium chloride solution. A)kcl B)NaNo3 C)K2So4 D)Caso4 |
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:30am On Apr 12, 2017 |
felix00:What happens when you pass CO2 into lime water? You get a white ppt CaCO3 If you keep passing CO2 (excess) the milkiness dissappears due to the formation of CaHCO3. |
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:34am On Apr 12, 2017 |
felix00:C- K2SO4 Lilac flame = K cation White ppt with BaCL2 = SO4 anion |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:13am On Apr 12, 2017 |
Optimist1998:. If u keep passing it into NaoH I think u are ryt.... But if u pass a certain amount and leave it in d sol den am ryt |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:14am On Apr 12, 2017 |
Optimist1998:Correct |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:18am On Apr 12, 2017 |
Am confused here A blue solid,T which weighed 5.0g was placed on a table. After 8 hrs, the resulting pink solid was found to weigh 5.5g. It can be inferred dat substance T A) is deliauescent B) is hygroscopic C)efflorescent Last opt is nt important |
Re: UTME 2017: Thread For Science Jambites by Isaolamide: 8:32am On Apr 12, 2017 |
felix00: It is deliquescent but series picked hygroscopic and a I am confused Generally because all deliquescent are hygroscopic but not all hygroscopic are deliquescent |
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 9:07am On Apr 12, 2017 |
Isaolamide:its hygroscopic cus its still solid and didn't turn to liquid |
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 9:45am On Apr 12, 2017 |
@optimist1998... you've registered ryt? which school did you finally go for? |
Re: UTME 2017: Thread For Science Jambites by Nobody: 12:33pm On Apr 12, 2017 |
Donpre:UNN but it's still likely to change after jamb.. Depends on my performance. |
Re: UTME 2017: Thread For Science Jambites by deeprinz(m): 11:44pm On Apr 12, 2017 |
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Re: UTME 2017: Thread For Science Jambites by felix00(m): 11:45pm On Apr 12, 2017 |
Optimist1998:. What are u aiming for as in what score.... I saw a certain score in my dream(lol) and have been obsessing about it since then |
Re: UTME 2017: Thread For Science Jambites by Nobody: 6:38am On Apr 13, 2017 |
felix00:340 all things being equal |
Re: UTME 2017: Thread For Science Jambites by SamanN: 8:47am On Apr 13, 2017 |
Optimist1998: I only hope we won't be marked down this year. And for Jamb to announce 250 put you on merit I'm still curious. |
Re: UTME 2017: Thread For Science Jambites by Nobody: 10:48am On Apr 13, 2017 |
SamanN:Last year was a disaster, I really do hope this year's marking is different. @ bold I thought that was a rumour, how true is it? |
Re: UTME 2017: Thread For Science Jambites by Adebunmiemmy(m): 10:58am On Apr 13, 2017 |
Optimist1998:It was jex a rumor...it was nt official. |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 11:20am On Apr 13, 2017 |
Optimist1998:just curiou.... wat did u score last yr |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 11:21am On Apr 13, 2017 |
Optimist1998:just curious.... wat did u score last yr |
Re: UTME 2017: Thread For Science Jambites by Nobody: 11:47am On Apr 13, 2017 |
felix00:282 |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 12:13pm On Apr 13, 2017 |
Optimist1998:cool..... wat school |
Re: UTME 2017: Thread For Science Jambites by Nobody: 12:14pm On Apr 13, 2017 |
felix00:UI |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 12:29pm On Apr 13, 2017 |
Optimist1998:crappy sch.... never really liked dat place |
Re: UTME 2017: Thread For Science Jambites by jephthal: 12:31pm On Apr 13, 2017 |
felix00:: lol |
Re: UTME 2017: Thread For Science Jambites by Nobody: 12:36pm On Apr 13, 2017 |
felix00:I was in love with the school... |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 12:58pm On Apr 13, 2017 |
Optimist1998:good for u it is 'was' |
Re: UTME 2017: Thread For Science Jambites by Nobody: 2:00pm On Apr 13, 2017 |
felix00:Hehe why the hate? |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 3:04pm On Apr 13, 2017 |
Optimist1998:are they not d one dat deny a guy with over 300 admission last year.... besides dat I know a guy who has been denied admission twice but still goes ahead and choose d place again.. who does dat? |
Re: UTME 2017: Thread For Science Jambites by Ebookmathswaec: 5:28pm On Apr 13, 2017 |
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Re: UTME 2017: Thread For Science Jambites by Nobody: 5:35pm On Apr 13, 2017 |
felix00:I don't think any school is innocent in Nigeria, it happens everywhere but 300 and still no admission....talk about corruption |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 5:49pm On Apr 13, 2017 |
Optimist1998:Oya enough talk... Post questions here let me flex my head |
Re: UTME 2017: Thread For Science Jambites by Nobody: 5:59pm On Apr 13, 2017 |
Which of the following statements is correct about sodium chloride in the solid state? A. it exists as aggregates of ions B. it conducts electricity C. its melting point is below 100oC D. it exists as discrete molecules E. its ions are linked by metallic bonds Which of the following reactions is not feasible? A. Cl2 + 2Kl → 2KCI + I2 B. Cl2 + 2NaF → 2NaCI + F2 C. Zn + CuCI2 ZnCl2 + Cu D. Zn + 2AgNO3 → Zn(NO3)2 + 2Ag |
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