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Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:10pm On Oct 17, 2014 |
Kealmin:The ansa is E. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 7:42am On Oct 17, 2014 |
In the formation of anti-knock agent lead iv tetraethyl(pb(C2H5)4 which of the following element is use?? A)Na B)pb C)C D)none E)a and b |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 10:45pm On Oct 16, 2014 |
Segipaul:Been stable with d +5 oxidation num,it is neither acidic nor basic but it is a Neutral compound(due to is much stableness). |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 9:03pm On Oct 16, 2014 |
Segipaul:They are still propably on thesame parallel just dat Pcl5 is of more stable compound cos phosphor which is group 5 element has and oxidation num of +3 and +5 and that +5 is kinda stable for them. So pcl3 is more preferable. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:20pm On Oct 16, 2014 |
tuwayz:owk sire! |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:19pm On Oct 16, 2014 |
Which of the following compound is stable? A)pcl3 B)p2O3 C)pcl5 D)all E)none |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:01pm On Oct 16, 2014 |
Segipaul:It is A. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 4:01pm On Oct 16, 2014 |
Segipaul:u tried |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:17pm On Oct 16, 2014 |
Pcl3 is an example of? A)amphoteric B)neutral C)basic D)acid E)none In nature. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:12pm On Oct 16, 2014 |
Segipaul:Good! Sylvite or potash is a good example..etc But the ansa is Propably Carnallite Kcl.Mgcl2.10H20 |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:07pm On Oct 16, 2014 |
The volatility and non-volatility of a compound can propably be deduced by..? A)elctronegativity diff B)nuclear charges C)oxidation num D)solubilty 1)A only 2) A nd B 3)A,b,c and d 4)A,b and c |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 1:08pm On Oct 16, 2014 |
Kcl is found as an Ore in..? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:47pm On Oct 14, 2014 |
Segipaul:?? Is that all?? And no Objection?. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:21pm On Oct 14, 2014 |
Have these pEepz! The discrete particle responsible for a chemical reaction is.? A)proton B)neutron C)electron D)Nuclear charge. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:29pm On Oct 14, 2014 |
Rummies! I greet Ooo. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:19am On Sep 27, 2014 |
Samgreguc:Yea relating to its High proportion of Oxygen. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 12:25pm On Sep 24, 2014 |
chimhigher: H=I square RT,which law supports dzThe H=heat I= current with R=resistance and t=time Joules Law support this Sire. which state that when a current of 1 ampere passed tru a given conductor of a Resistance per unit time. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 11:36am On Sep 24, 2014 |
agafiya: |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 11:33am On Sep 24, 2014 |
chimhigher: Coulombs Law.StateS that D Force.F acting on body of charges q and Q is Directly proportional 2 d product of Their charges nd inversely proportional 2 d square f THeir Distance R apartYea correct |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 11:31am On Sep 24, 2014 |
mathefaro: Should be "Did I tell you" instead of "Did I told you"Hmmm.. Not at all Sire 1 Like |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 4:06am On Sep 24, 2014 |
The volatile and none volatile produce of destructive distillation of coal are what and what respectively? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 4:04am On Sep 24, 2014 |
The intramolecular force responsible for the solidification and liquifaction of non-polar compound is ? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:29am On Sep 24, 2014 |
F=kqq/R (square) which law support the above formula? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:27am On Sep 24, 2014 |
The calcium trioxocarbonate(iv) has how many lone and unpair electron? And this property accounts for it....? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:25am On Sep 24, 2014 |
What element or compound gives a Hissing sound Pratically? A)pbO2 b)p2O5 c)pcl5 d)p2O3 |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:23am On Sep 24, 2014 |
The polymorph Of silica exst in....... A)2 b)3 c)1 and it physically grouped under two physical properties in respect to their shapes..... Name the two form. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:19am On Sep 24, 2014 |
Ideal gas is never a real gas because? A)it is a derive gas b)it obeys charlse' and boyles' law c)it does not obey the gas laws d)none |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:15am On Sep 24, 2014 |
Which of the followung compound is not volatile? A)4p-1.8gcm3 b)sio2 c)p2O3 d)pcl3 e)none |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:12am On Sep 24, 2014 |
Carbon(iv)oxide has how many lone and unpair electron? With a net dipole of? |
Education / Re: NISD : Participation Thread(REP your school in here) by Halpher(m): 9:41pm On Sep 23, 2014 |
Rep UI naani! |
Education / Re: 2015/2016 Utme And Admission Process by Halpher(m): 8:56pm On Sep 23, 2014 |
Benjaminbest: bro i thought we sort out dis issue already why do u have to bring it here againLoL.He propably have time for what is not worth it Just LaffinG! |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:32pm On Sep 23, 2014 |
Ahmadjr:Yea Correct the A being an indefinite article is followed with a P.V |
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