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Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:09pm On Oct 19, 2014 |
Given that the mean relative atomic mass of chlorine contains two isotope of mass num 35 and 37,what is the percentage composition of the isotope of mass num 37? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:05pm On Oct 19, 2014 |
1)What did u knw as isotopes?? 2)There are two isotopes of chlorine with mass num 35 and 37 respectively. If the isotopes exist in the ratio Of 3:1,the lighter the isotope being abundance.what is the relative atomic mass of chlorine? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:01pm On Oct 19, 2014 |
Have this peepz 19.04g of ammonia were mixed with 31.10g of hcl gas in a closed container. A)which of the reactant were in excess and by how much?? B)how much ammonium chloride is formed? C)how much more of the insuffiecient reactant,would be needed to completely react with excess of other reactant. N=14, H=1, Cl=35.5 |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:01pm On Oct 19, 2014 |
tuwayz:Still wrong. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:42am On Oct 19, 2014 |
thankyouJesus:Still wrong. |
Education / Re: English Language And Literature Online Tutorial For Jamb by Halpher(m): 2:38am On Oct 19, 2014 |
Dopeyomi:Hmm. I knew is btw the A and B But. Pls explain why?? |
Education / Re: English Language And Literature Online Tutorial For Jamb by Halpher(m): 6:32pm On Oct 18, 2014 |
Dopeyomi:Lemme see ma correction sire |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:27pm On Oct 18, 2014 |
Which of the following compound give a hissing sound,when undergoing certain process? 1.P2O5 2.P2O3 3.CaO 4.Sio2 |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:25pm On Oct 18, 2014 |
As we go down the group the atomic radius................... and the ionization energy ..............? Give a reason for your anwser with just two statement. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:23pm On Oct 18, 2014 |
Aragonal,calcite and coral are the ore of which element..? 1.Na 2.Al 3.Ca 4.none |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:17pm On Oct 18, 2014 |
mathefaro:owk sire. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:10pm On Oct 18, 2014 |
thankyouJesus:ur 1st answer is wrong. owkk |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 6:09pm On Oct 18, 2014 |
thankyouJesus:The question is correct sire! |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:21am On Oct 18, 2014 |
1)In how many ways number greater than 100 can be made using 1,2,3,4,5? No repetition. 2) A committe of four is to be chosen from 5 editors and 3 reporters.in how many ways can this be done so that commitee includes A)at least an editor. B)at least one reporter. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:15am On Oct 18, 2014 |
Factorise 2X^2 +3X + 10 / (x+1) (x+3) |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:14am On Oct 18, 2014 |
INTEGRATE :- 3dx/(4x-1) ^3 Diffretiate X^2 + Y ^2 = 4 |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 8:10am On Oct 18, 2014 |
1001101 Find the Ones and twos complement of the Subtrahend above. |
Education / Re: English Language And Literature Online Tutorial For Jamb by Halpher(m): 7:26am On Oct 18, 2014 |
Dopeyomi: 1.C (rain without a short break) 2.A (pain with a short break) 3.A 4.D 5.D 6.B 7.B (lenght of time) 8.A (begining of a deeds) 9.D 10.D |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:59pm On Oct 17, 2014 |
The intramolecular force responsible for the liquifaction and solidification of mostly non-metal and Monoatomic element/noble element. Is.......? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:54pm On Oct 17, 2014 |
The unstable produce of destructive distillation of coal is?? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:53pm On Oct 17, 2014 |
The pure The impure and The Mineral state in which carbon is found are......?? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:49pm On Oct 17, 2014 |
Kealmin:Actually fleming right hand rule shows or give the induce current in both dynamo and electric motor (as we knw that the flemings left shows the direction of convectional current). while the fleming left gives or show the force or motion of the conductor. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 5:45pm On Oct 17, 2014 |
In Ruhmkorff spark coil the insulated soft-iron wire used function to.....? |
Education / Re: Physics Jamb 2015 Lecture Room by Halpher(m): 3:55pm On Oct 17, 2014 |
alakara:U r mistaken bro,it's better one combine Newschool and that Lamlard. And for the physics text essential too is good,it all depend on how one can Harness the available resource in hand. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:41pm On Oct 17, 2014 |
Kealmin:Hmm. It is propably 90 degree for the pole and 0 degree for the equator This type question came out in dis year ppt jamb type. Xo the ansa is 90 degree. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:28pm On Oct 17, 2014 |
A compound which can undergo disproportionation must either be......or.....? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:26pm On Oct 17, 2014 |
At the pole angle of dip is always..? A)0 degree B)90 degree C)180 degree D)45 degree |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:23pm On Oct 17, 2014 |
The difference btw fleming's right and left hand rule is that..? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:22pm On Oct 17, 2014 |
A lift in a downward movement there is a jar containing water which is pouring in a downward direction,what happen to the pressure of the water as the lift near it latent stage..? A)increase and decrease B)decrease and increase C)increase D)decrease |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 3:11pm On Oct 17, 2014 |
Kealmin:Yea it is Relative motion simply because either the bar magnet or the solenoid is at rest with respect to other. It exhibit only a type of motion which is Relative. |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:31pm On Oct 17, 2014 |
The scientist that noted or stated that current is in a direction perpendicular and that is parallel to the magnetic field are...........nd............? |
Education / Re: Jamb Lecture/past Questions For Science/art Students by Halpher(m): 2:26pm On Oct 17, 2014 |
In an electromagnetic induction,the magnetic pole and the solenoid exihibit what type of motion A)translational motion B)rotational motion C)relative motion D)random motion. |
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