₦airaland Forum

buzyguy: 1-ethyleneglycol(ethane1,2 diol) 2-butanol z nt an hydrocarbn,ansa z alkyne 3-coagulation

But I think benzene should be the correct answer since the degree of unsaturation in a benzene is higher than that of the corresponding alkyne,
2- The number of sigma and pi- bonds in benzene is higher.
Make your answer more elaborate as regard the 2nd question.

28g soil sample was heated to a constant weight of 24g. When further heated to red hot and cooled, it weighed 18g. What is the percentage of humus in the soil?
A. 22.2
B. 55.6
C. 75.0
D. 25.0
E. 35.7

2. Normally the flow of blood is never from
a. Artery to arterioles
b. Arterioles to capillaries
c. Capillaries to venules
d. Arterioles to the artery
e. Venules to the vein

edreesabiodun: What is and intermediate product of ethen used in reducing freezing point. 2) which of the following hydrocarbons is the most reactive. a) butanol b)propane c) alkyne d) benzene. 3) what is the first stage of treatment of water for township supply.

1- ethy hydrogentetraoxosulphate (vi), C2H5H2S04
2-benzene
3-coagulation.

An organism X lives entirely on the waste products in another organism Y. In this association X is a ?
A.symbiont
B. Commensal
C. Saprophyte
D. Parasite
E. Epiphyte.

Simplefemo: Which of the following cannot be controlled by killing the vectors?
A. River blindness
B. Malaria
C. Polio
D. Cholera
E. Billhazia
2. All living organisms
A. Photosynthesis
B. Respire
C. Move
D. Feed
E. Transpire

question 1 has not been answered

[quote author=t.boy007]echo=2v/d
. : v=330/1=330m/s
2=2*330/d
d=660/2
. : d=330m
since the question says 1/3 of d,
d=1/3 * 330
d=110m
ansB)[/quote]check 1980 question 45
subject- Physics
Exam type- UME (JAMB).

Tizzie: Lol,distance=speed x Time so answer =330m

check 1980 question 45
subject- Physics
Exam type- UME (JAMB).

A man stands one-third of the way between two walls and claps his hands.
He hears two distinct echoes 1second apart.
If the speed of sound is 330ms`1 the distance between the walls is A. 33m B. 110m C. 220m D. 330m E. 495m

[quote author=t.boy007]you're wrong sir[/quote]When concentrated hydrochloric acid is heated, it boils to liberate hydrogen chloride fumes, making the solution more dilute.
Hence the concentration of the acid decreases or diluted.

Prince adebayo: 1.Alkaline pyrogallol was used in an experiment.That experiment must have been connected with
A.excretion
B.germination
C.transpiration
D.digestion
E.photosynthesis
2.The one seeded fruit in which the pericarp and seed artery coat have become fused together is known as
A.achene
B.samara
C.caryopsis
D.legume
E.drupe
3.The conversion of excess amino acids into urea occurs in the
A.kidney
B.pancreas
C.villi
D.liver
E.spleen
4.The deficiency of vitamin D leads to
A.scurvy
B.pellagra
C.rickets
D.beriberi
E.polio
5.Nastic movement is
A.response to light stimulus
B.non-directional
C.directional
D.response to internal structure

1- E- photosynthesis
2- C- caryopsis
3- D- liver
4- C- ricket in children (osteomalacia in adult)
5- B- non-directional

[quote author=t.boy007]When a solution containing a concentrated HCl is heated,the solution
a)remain costant
b)the concentration increases
c)the solution becomes dilute
d)the solution explode.[/quote]C- The solution becomes dilute
When concentrated hydrochloric acid is heated, it boils to liberate hydrogen chloride fumes, making the solution more dilute.
Hence the concentration of the acid decreases or diluted.

[quote author=t.boy007]Which of the following is the ore of cupper?
A)malachite
b)bauxite
c)galena
d)gypsum[/quote]The answer is A
Bauxite is to Aluminium
Galena to lead
Gypsum to Calcium

Atesunate15: hw long does it take a 650W heater operating @ full rating 2 raise d temperature of a 1kg of water from 30^oc to 60^oc.
given specific heat capacity of water =4200J/kgk
(a)170s
(b)60s
(c)194s
(d)6.5s
(e)none(state&prove ur answer)

Ivt=mc^Q
650*t= 1*4200*30
making t the subject of the formula, we have;
t=4200*30/650
t=193.8
~194s (C)

Root hairs have their origin from
a.endodermis
b. Pericycle
c. Cortex
d.xylem
2. The flippers of a whale and the fins of a fish are examples of
a. Divergent evolution
b. Coevolation
c. Continuous variation
d. Convergent evolation.
3 when is the best time to test for the presence of a leaf?
A. Before sunrise
B. Immediately after sunrise
C. At midday
D. Immediately after sunset
E. At midnight.

mayorall: Which of the following is an underground root used by non-vascular plants.
A.phloem
B.rhizoid
C.rhizome
d.xylem..

B- Rhizoid

Which of the following cannot be controlled by the vectors?
A. River blindness
B. Malaria
C. Polio
D. Cholera
E. Billhazia
2. All living organisms
A. Photosynthesis
B. Respire
C. Move
D. Feed
E. Transpire

Lucas reagent is used to test for
A. Alkanes
B. Alkanoic acid
C. Alkanols
D. Amines

Just passing by, hi everyone

The major source of oxides of nitrogen is from the burning of
A. Coal
B. Wood
C. Fuel
D. Chlorofluorocarbons

A lewis acid is joined to a lewis base via?
A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Coordinate covalent bond

In a cell, the genes are carried by
A. Nuclear membrane
B. Chromatin threads
C. Lysosomes
D. Mitochondria.

Obinnau: 1: B
2: A
3: A
4: am not sure abo ut dis but I tink A

c
a
d
b

Geniustic: we shal make it

Amen

Geniustic: Hi guys, hw is preparation?

Hectic but we thank God

Lagusta: EVERYBODY MAKE UNA HELEP ME THANK GOD OOOOOO!!!!!

I never believed I would pass that surgery I was lamenting about, I even passed it more than the medicine!!!! What a miracle!!!!

Dr lomaxx has really done a good job, kudos boss!!!

Alutacontinua, ebsuguy, oluafolabi, Dr Gboy... Where una dey nah?? ?? ?

Congratulations

Success is ours

Isjaymoh: Is there any other people that choose CBT? I heard that exam date is on 27th of April, but mine is 8th of April and am writting mine in Unilag, ETC faculty of science

SAME HERE

No course is a waste, even if it is Lizardiology, Mosquitiology and the likes

Acceptance fees is now 65k (medical student), 45k (others).
God should have mercy on us.

Impossibility clause.

Lagusta

Do you know that freshers paid 45k (non-medical students) and 65k(medical courses) as acceptance fees, school fees#49.5k for most courses) as of 2012/2013 session .
Don't be afraid, if you can bear the cost, ride-on.