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Nairaland Forum / Nairaland / General / Education / UTME 2017: Thread For Science Jambites (90096 Views)
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Re: UTME 2017: Thread For Science Jambites by Nobody: 4:34pm On Apr 10, 2017 |
How many moles of [H+] are there in 1dm3 of 0.5 solution of H2SO4 A. 2.0mole B. 1.0mole C. 0.5mole D. 0.2mole Which of the following substances is not a homogeneous mixture? A. Filtered sea water B. Soft drink C. Flood water D. Writing ink According to the kinetic theory an absence in temperature causes the kinetic energy of particles to A. decrease B. increase C. remain constant D. be zero |
Re: UTME 2017: Thread For Science Jambites by pabostt: 4:42pm On Apr 10, 2017 |
Question 1 If 6logx 2 – 3logx 3 = 3log5 0.2, find x {UTME 2004} A. 3/8 B. 3/4 C. 4/3 D. 8/3 Question 2 Assuming loge (4.4) = 1.4816 and loge (7.7) = 2.0142, the the value of loge (7/4) is {UTME 1978} A. 0.5326 B. 3.4958 C. 0.4816 D. 0.0142 E. 1.3594 You can check for the hint to the answer on http://servantboy.com/2017/04/10/short-notes-and-solutions-on-indices-and-logarithm-for-utme/ |
Re: UTME 2017: Thread For Science Jambites by Isaolamide: 4:55pm On Apr 10, 2017 |
Optimist1998: C |
Re: UTME 2017: Thread For Science Jambites by Isaolamide: 4:56pm On Apr 10, 2017 |
Optimist1998:D |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 6:27pm On Apr 10, 2017 |
Optimist1998:. Sol=mass/molar mass x 1000/vol 2H+= 0.5x2=1 1=n x 1dm3/1dm3= 1 ans should be B Second one C.... Third one should be D |
Re: UTME 2017: Thread For Science Jambites by Nobody: 6:55pm On Apr 10, 2017 |
Optimist1998:dunno the first,recheck the second n d third is D |
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:00pm On Apr 10, 2017 |
pabostt:question 2 z A |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 7:05pm On Apr 10, 2017 |
IemFava: The first one is C 2C2H5OH + 2Na >>>> 2C2H5ONA + H2. H2 is d colourless gas |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 7:13pm On Apr 10, 2017 |
IemFava:. I think d last is B 2 pairs |
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:41pm On Apr 10, 2017 |
felix00:you are actually ryt,2 pairs (amounts to 4 electron) |
Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 7:48pm On Apr 10, 2017 |
Optimist1998:The first I think it is D the last one is B. |
Re: UTME 2017: Thread For Science Jambites by itzeminent: 9:05pm On Apr 10, 2017 |
Please who have been able to do correction of name successfully in this year jamb. Pls urgent reply needed |
Re: UTME 2017: Thread For Science Jambites by Nuel25846(m): 9:18pm On Apr 10, 2017 |
itzeminent:How come they got ur name wrong,or didn't u check before submitting...abi u got married recently?? |
Re: UTME 2017: Thread For Science Jambites by itzeminent: 8:48am On Apr 11, 2017 |
Nuel25846:d guy that did my jamb profile make d mistake... I wrote data for him and went to tutorial, I didn't login to cross check and I went to do my jamb registration, after gotten d slip I realized d error |
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 12:38pm On Apr 11, 2017 |
itzeminent:relax!... read and pass your exams. Jamb allows change of name/DOB/Course/institution. Only subject combo can't be changed! 1 Like |
Re: UTME 2017: Thread For Science Jambites by Nobody: 5:30pm On Apr 11, 2017 |
felix00:Don't get it twisted; 1dm3 of 0.5 is thesame thing as 0.5Molar solution. Formula for molar solution M= n/V 0.5=n/1 n=0.5 0.5M is simply 0.5 moles in 1000cm3 or 1dm3 solution. |
Re: UTME 2017: Thread For Science Jambites by Nobody: 5:37pm On Apr 11, 2017 |
xH2SO4 + yAl(OH)3------>yH2O + zAl2(SO4)3.The answer to this C According to the kinetic theory an absence in temperature causes the kinetic energy of particles toNo temperature; no energy D looks more appropriate Cc: Isaolamide |
Re: UTME 2017: Thread For Science Jambites by Nobody: 5:46pm On Apr 11, 2017 |
PhysicsI dug this up since it's still unanswered. PS: The ans is 500km tho |
Re: UTME 2017: Thread For Science Jambites by Nobody: 5:54pm On Apr 11, 2017 |
Phyiscs: The time rate of change of momentum is A. impulse B. force C. power D. pressure A force of 100N was used to kick a football of mass 0.8kg. Find the velocity with which the ball moves if it takes 0.8s to be kicked A. 32ms¹ B. 10ms² C. 64ms¹ D. 100ms¹ |
Re: UTME 2017: Thread For Science Jambites by Luminousmoses(m): 6:11pm On Apr 11, 2017 |
trek07: B |
Re: UTME 2017: Thread For Science Jambites by Nobody: 6:18pm On Apr 11, 2017 |
Chemistry: ««When sulphur (IV) oxide is passed into a solution of sodium hydroxide for a long time, it eventually produces a solution of A. NaHSO4 B. Na2SO3 C. NaHSO3 D. Na2SO4 ««What will happen if an aluminium spoon is used to stir a solution of iron (II) trioxonitrates (V)? A. The spoon will be oxidized while the iron (II) ions will be reduced to the metal B. The spoon will increase in size C. The spoon will be reduced while the iron (II) ions will be oxidized D. The spoon will be reduced ««In the purification of impure samples of ethyl ethanoate synthesized by esterification, concentrated sodium trioxocarbonate (IV) solution is used to remove A. water B. basic impurities C. acidic impurities D. ethoxyethane |
Re: UTME 2017: Thread For Science Jambites by Donpre(m): 6:22pm On Apr 11, 2017 |
Optimist1998:B and D |
Re: UTME 2017: Thread For Science Jambites by classicphil: 7:05pm On Apr 11, 2017 |
Hello fellas. Please can a 15 year old candidate apply for unilag? ?? |
Re: UTME 2017: Thread For Science Jambites by VERTEX1: 10:05pm On Apr 11, 2017 |
Hello, who can send me jamb past questions and answer PDF,
sohmbernie@gmail.com |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 10:09pm On Apr 11, 2017 |
Optimist1998:. Am not convinced yet but I will let it slide |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 10:14pm On Apr 11, 2017 |
Optimist1998:. First one is a bit tricky but should be B..... second one is should be A and d last one is certainly C. So2+2NaOH>>>>>>Na2so3 + H2O |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 10:15pm On Apr 11, 2017 |
This barca I support eh... Hmm |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 10:50pm On Apr 11, 2017 |
Optimist1998:. Maybe I shld modify this U said no of moles of H+. I.E H2S04>>>> 2H+ + SO4^2. n=0.5x2(2 mole of H+)= 1 |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 10:54pm On Apr 11, 2017 |
Optimist1998:. First should be B I think...... F=mv-mu/t. Time rate of change of momentum |
Re: UTME 2017: Thread For Science Jambites by Nobody: 11:54pm On Apr 11, 2017 |
felix00: .See my life! I didn't consider the mole ratio of Hydrogen Sorry about the misinformation You're correct don't mind me |
Re: UTME 2017: Thread For Science Jambites by Nobody: 12:05am On Apr 12, 2017 |
felix00:Lol I thought of B at first but then ===>SO2 "for a long time" (that's in excess) it should give an acidic salt. Past question chose B but I'm rooting for C |
Re: UTME 2017: Thread For Science Jambites by felix00(m): 6:47am On Apr 12, 2017 |
Optimist1998:. I don't get.... Does for a 'long period of time' means so2 is in excess.... I think it means d final product. Let me give u an example.... Like uhmm ethanol is passed into k2cr2o7 for a long period of time... Does dat means ethanol is in excess.. I don't think so |
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