JAMB CHEMISTRY.

Three drops of a 1.0mol/dm^3 solution of NaOH are added to 20cm^3 of a solution of pH 8.4. The pH of the resulting solution will be.....
(A) close to that of pure water.
(B) unaltered
(C) greater than 8.4
(D) less than 8.4


Explanations will be highly appreciated.

rasaquadri:
the ans is D because N=LA for argon which is monoatomic N=1× 7× 6.02×10^23 atoms is smallest compared to the remaining molecules

I've got it.......thanks.

Still waiting for the answer.........jamb is hereooooo.....please help out......

DrBESTJC:
JAMB PHYSICS.

An electric generator has an e.m.f of 240V and an internal resistance of 1ohm. If the current supplied by the generator is 20A when the terminal voltage is 220V,find the ratio of the power supplied to the power dissipated.
(A) 11:1
(B) 1:11
(C) 12:11
(D) 11:12


Explanations needed,PLEASE.

JAMB CHEMISTRY.

Which of the following gases contains the least number of atoms at s.t.p?
(A) 1 mole of butane
(B) 3 moles of ozone
(C) 4 moles of chlorine
(D) 7 moles of argon


This question is confusing.......Please I need explanations to the CORRECT ANSWER.

JAMB CHEMISTRY.

Which of the following gases contains the least number of atoms at s.t.p?
(A) 1 mole of butane
(B) 3 moles of ozone
(C) 4 moles of chlorine
(D) 7 moles of argon


This question is confusing.......Please I need explanations to the CORRECT ANSWER.

Still waiting for the solution.......JAMB is hereooooo,help out please....

DrBESTJC:
JAMB PHYSICS.

An electric generator has an e.m.f of 240V and an internal resistance of 1ohm. If the current supplied by the generator is 20A when the terminal voltage is 220V,find the ratio of the power supplied to the power dissipated.
(A) 11:1
(B) 1:11
(C) 12:11
(D) 11:12


Explanations needed,PLEASE.

Rachealoduah:
your right,but why the angry emoji are we fighting,pls if you are angry don't answer my questions or come into my mentions

Noooooooo!.....I asked the question suggesting that I STAND TO BE CORRECTED IF ANY OTHER PERSON HAS A BETTER ANSWER.I am a jambite searching for information anywhere I can find it both online and offline to improve on my scores this year and besides I don't even know the meanings of THESE EMOJI's......I don't use good phone sef....I just typed 3 question marks and it changed to that.....

I am very sorry if I have offended you.

JAMB PHYSICS.

An electric generator has an e.m.f of 240V and an internal resistance of 1ohm. If the current supplied by the generator is 20A when the terminal voltage is 220V,find the ratio of the power supplied to the power dissipated.
(A) 11:1
(B) 1:11
(C) 12:11
(D) 11:12


Explanations needed,PLEASE.

Rachealoduah:
1.Which of these glands secretes a hormone, when in deficiency causes diabetes.
A.Adrenal gland
B.parathyroid gland
C.pancreas
D.Glands of the gonad
2.Which of these blood vessels begins and end with capillaries
A.carotid artery
B.subclavan artery
C.pulmonary vein
D.Hepatic portal vein

1) C is the answer.
Diabetes mellitus is a condition in which the PANCREATIC GLAND located between the stomach and the small intestine secretes insufficient INSULIN(which regulates blood sugar levels), leading to excess sugar in the blood.

2) The answer is D
The HEPATIC PORTAL VEIN carries blood rich in absorbed nutrients from the capillaries in the gut to capillaries in the liver.

JAMB PHYSICS.

An electric generator has an e.m.f of 240V and an internal resistance of 1ohm. If the current supplied by the generator is 20A when the terminal voltage is 220V,find the ratio of the power supplied to the power dissipated.
(A) 11:1
(B) 1:11
(C) 12:11
(D) 11:12


Explanations needed,PLEASE.

Rachealoduah:
Pls don't take this the wrong way,orezi5 I also will like to know, afterall we're all still learning,while I was going through concord in essential English,one of the rules written is,when the subject is singular,it takes a singalar verb,and when the subject is plural takes a plural verb.school of thought is the subject not "one"going by this rule it attracts a singular verb which is "suggests"with the "s",but if you say "schools of thought"which is plural it attracts a plural verb"suggest" meaning A or B which is the confusing aspect.I stand to be corrected anyway

I think Orezy5's explanations are very clear.
The question is saying that:
ONE(which is singular) out of the(many) SCHOOLS OF THOUGHT suggests(singular subject attracts singular verb) selective marking of errors.

Let us analyse this further,you know that there can be many SCHOOLS OF MEDICINE, or MANY SCHOOLS OF TECHNOLOGY just as we have many SCHOOLS OF THOUGHT.....
Also the (ONE OF) rule of concord states that wherever ONE OF appears in a sentence,the next noun should be PLURAL but the next verb SHOULD BE SINGULAR.

Example:
One of the gamblers(not gambler) stands(not stand) a good chance.

Orezy5:



D is Correct..


The question is from Relative Concord..


I really don't know how to explain, but let's take a look at the statement:


'ONE OF' means that there are more than one School of thought, so we have:


ONE OF the Schools of Thought:


for the second part:


There are many schools of thought, but ONE of THEM SUGGESTS: (Remember, subject/verb agreement in Concord. ONE is singular, therefore it goes with a singular verb.)



So, we have:


ONE OF the schools of thought SUGGESTS selective marking of errors...


I hope it was clear enough

Clearer now......Thanks.
That's the answer.

JAMB ENGLISH

Choose the correct option.

One of the ............. selective marking of errors.
A) school of thought suggests
B) schools of thought suggest
C) school of thoughts suggested
D) schools of thought suggests


Explanations needed.

JAMB ENGLISH

Choose the correct option.

One of the ............. selective marking of errors.
(A) school of thought suggests
(B) schools of thought suggest
(C) school of thoughts suggested
(D) schools of thought suggests


Explanations needed.

Salarys:

F = mg sin Φ F = MA, Equating ma = mg sin Φ
a = g sin Φ a = 10 x sin 60° a = 8.66m/s²

Baba thank you sir!

JAMB PHYSICS.

This one dey hotoooo.......let the hot physicists here help out abeg...


The acceleration of a body which slides down freely on a smooth plane inclined at 60 degrees to the horizontal is.....
A: 5.00m/s^2
B: 7.50m/s^2
C: 8.66m/s^2
D: 10.00m/s^2


Explanations TO THE CORRECT ANSWER will be highly appreciated.

JAMB PHYSICS.

This one dey hotoooo.......let the hot physicists here help out abeg...


The acceleration of a body which slides down freely on a smooth plane inclined at 60 degrees to the horizontal is.....
A: 5.00m/s^2
B: 7.50m/s^2
C: 8.66m/s^2
D: 10.00m/s^2


Explanations TO THE CORRECT ANSWER will be highly appreciated.

adedolapo2017:
A
Don't ask me for explanation, ayam feeling headache

You never write jamb mock,......na so you de feel headache
This one fit collapse for inside main exam hall when him jam better Jamb question...

Omo,man go survive this JAMBooooo..........!!!

JAMB ENGLISH.

Fill in the blank space with the correct option...


We hold that the nation,both in its public and private sectors,........the best consultancy service in all its endeavours.
A: deserve
B: is deserving
C: deserves
D: are deserving
E: richly deserve



Please I need explanations ooooo......English no be moi moi for jamb.......

JAMB ENGLISH.

Fill in the blank space with the correct option...


We hold that the nation,both in its public and private sectors,........the best consultancy service in all its endeavours.
A: deserve
B: is deserving
C: deserves
D: are deserving
E: richly deserve



Please I need explanations ooooo......English no be moi moi for jamb.......

pleaseoooo,I opened my 2018 JAMB profile with the gmail I used in 2017 and they gave me my print out.But sombody is saying that it is risky that only NEW emails can be used otherwise you lose your admission........how true is this

Big Bosses in the house,I greet una oooo....

The Jamb mock exam as stated by Jamb is to hold in the first week of february..... and we are already a day or two days close to the stipulated date but I have not heard of how we can REPRINT OUR MOCK EXAM SLIP....

Please,who knows how we can go about it to be able to obtain our mock exam DATE and VENUE

English.

Choose the option nearest in meaning to the capitalised phrase.


His success may be described as a PYRRHIC VICTORY.
A: costly
B: a deserving victory
C: an easy victory
D: indecisive


This question is ambiguous.

English.

Choose the option nearest in meaning to the capitalised phrase.


His success may be described as a PYRRHIC VICTORY.
A: costly
B: a deserving victory
C: an easy victory
D: indecisive


This question is ambiguous.

English.

Choose the option NEAREST IN MEANING to the capitalised phrase.

The senior prefect had to CARRY THE CAN because he refused to identify the culprit.
A: dispose the can of refuse
B: accept responsibility
C: be made one of the scape goats
D: bear the brunt


Please,I need explanations.

English.

Choose the option NEAREST IN MEANING to the capitalised phrase.

The senior prefect had to CARRY THE CAN because he refused to identify the culprit.
A: dispose the can of refuse
B: accept responsibility
C: be made one of the scape goats
D: bear the brunt


Please,I need explanations.

Veemah:
Let's start with this!


Which of these is not true of the insect? The possession of
A. two pairs of antennae
B. jointed appendages
C. exoskeleton
D. three pairs of legs
E. segmented body



Rhizopus (or mucor)obtain its food from dead organic matter extracellularly. It is said to be
A. a facultative parasite
B. saprophyte
C. an obligate parasite
D. a commensal
E. an autotroph



The feature that distinguish the toad or frog from the fish is the absence of
A. scales
B. lungs
C. paired appendages
D. a tail
E. skin glands




Which of these is not associated with tadpole stages of toad or frog
A. V-shaped gland
B. operculum
C. external gills
D. jelly
E. shell

1: A
2: B
3: C
4: B

Please upload more questions for revision.JAMB IS ALREADY HERE...

MasterMind21:

Referring to something as waste product doesn't necessarily mean it is decayed. It takes time before something begins to decay.. Bread remnants are regarded to as waste but we don't see moulds on them immediately after putting them in the bin.


C is wrong because 'the waste products' MAY probably still not be decayed. And recall saprophytes feed on DEAD/DECAYED organic matter. It would have been removed before then(through excretion) but the other organism, being present, makes use of the products.
Now look at it from this angle; Y neither gains nor loses(if X isn't there it'll carry out excretion in the normal way). X derives benefit but doesn't lose(it's the commensal).

And again saprophytism involves only one organism but here, there're two.
So therefore the answer should be B.

My thorough thought though.

Thank you.

Very EXPLICIT...........Thumbs up!!!

MasterMind21:

I don't think an image will be formed since its nature cannot be determined.


What do I know?

You know that in physics, infinity does not mean 'the horizon' or a very far distance.Infinity as a concept in physics and in the use of spherical mirrors and lenses in determination of the image position relative to the object position implies a distance JUST LONGER THAN THE PRINCIPAL AXIS OF THE MIRROR OR LENS in question.Based on this,the features of an image formed at infinity can be studied.You can browse it or check textbooks for confirmation.


But my problem is the nature or characteristics of that image formed at infinity,when the object is placed at the principal focus of a concave mirror........
.....Even my physics teacher had a different answer to the one I saw in books........so am confused.....

BIOLOGY

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


This question is confusing because if you answer (B),you are right because the organism X lives IN Y and feeds on its waste products which means that it does not cause any harm to it.Also,if you answer (C),you are also right because the waste product is a decaying matter............
Biology gurus help outooo.........
I NEED EXPLANATIONS.

BIOLOGY

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


This question is confusing because if you answer (B),you are right because the organism X lives IN Y and feeds on its waste products which means that it does not cause any harm to it.Also,if you answer (C),you are also right because the waste product is a decaying matter............
Biology gurus help outooo.........
I NEED EXPLANATIONS.

Charminee:
Hmmm i'm also a victim of writin jamb passing with a fairly high mark and not been admitted. I'm striving to make this year the best and the last so hw can i get the textbooks i stay in kaduna.

I sent you a pm.