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Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! - Education - Nairaland

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Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 10:26am On Dec 26, 2013
Why not all of us writing this JAMB/WAEC/NECO/NABTECH learn together,all we have to do is to write out our problems and great NAIRALANDERS help it over,it will be so smart of us to wisely this way.This the way i would wish us to do it,post the question and for which i/we may provide the answer after and expenditure of more or less than dan 5 post without an answer!
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 10:29am On Dec 26, 2013
Here is my question to start the THREAD.......


What are METAZOA organisms? List two METAZOA?
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by benny4wax(m): 11:07am On Dec 26, 2013
nice thread @ op.........



follow me and get followed back........
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 12:58pm On Dec 26, 2013
Dr. Laz'Devitan:
Here is my question to start the THREAD.......


What are METAZOA organisms? List two METAZOA?


METAZOA are MULTICELLULAR ORGANISMS as diferentiated from UNICELLULAR organisms....examples of METAZOA could be FUNGI and MAMMALS...so many!.....
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 12:59pm On Dec 26, 2013
benny4wax: nice thread @ op.........



follow me and get followed back........

Alryt...broh!
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 1:06pm On Dec 26, 2013
A mixture contains 20cm^3 of hydrogen,35cm^3 of oxygen,15cm^3 of carbon monoxide and 10cm^3 of nitrogen at S.T.P.What is the mole fraction of hydrogen in this mixture?


N.B ''^'' means RAISED-TO-POWER.
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by Nobody: 3:58pm On Dec 26, 2013
Dr. Laz'Devitan:
A mixture contains 20cm^3 of hydrogen,35cm^3 of oxygen,15cm^3 of carbon monoxide and 10cm^3 of nitrogen at S.T.P.What is the mole fraction of hydrogen in this mixture?


N.B ''^'' means RAISED-TO-POWER.
1/4
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 5:16pm On Dec 26, 2013
Brinebryne: 1/4


Mehn!.....ye are CORRECT! smiley
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 5:20pm On Dec 26, 2013
40cm^3 of air were mixed with 50cm^3 of hydrogen and was exploded.The total volume after the explosion was 66cm^3.

CALCULATE the percentage by volume of the oxygen in the air?.......wow!
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 5:23pm On Dec 26, 2013
If the cost of ELectricity required to deposit 1g of magnesium is 5.00-naira,how much would it cost to deposit 10g of Aluminium?




2 likely JAMB/WAEC/NECO questions for every one of us........cheers!
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by Nobody: 8:14pm On Dec 26, 2013
Dr. Laz'Devitan:
40cm^3 of air were mixed with 50cm^3 of hydrogen and was exploded.The total volume after the explosion was 66cm^3.

CALCULATE the percentage by volume of the oxygen in the air?.......wow!
16.4%
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by DrLazDevitan: 12:04am On Dec 27, 2013
Brinebryne: 16.4%

You wrong this time bro!..The answer is 20%


Should I show you how i got this answer?
Re: Answers To QUESTIONS To O'level Exam On PHYSICS,CHEMISTRY,BIOLOGY,MATHS,ENGLISH! by jenbruce09(m): 1:49pm On Sep 07, 2014
DrLazDevitan:

You wrong this time bro!..The answer is 20%


Should I show you how i got this answer?
pls do

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