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NECO GCE Physics Questions 2018 | Expo and Answer

If you are Searching for NECO GCE Physics Questions and Answers for 2018 Nov/Dec Exam then you are in the right place because am going to Unveil the Secrets about NECO GCE Physics Questions and Answers. The National Examinations Council (also known as NECO) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education. NECO was created by former Head of State Abdulsalami Abubakar in April 1999. It was the first Federal organization to offer subsidized registration to academic candidates in Nigeria.


NECO GCE Physics Questions and Answers


This Neco Physics exam is for Papers III & II: Objective & Essay and will take a total of 3hrs to write. Here, we will be posting out the neco chemistry questions for candidates that will participate in the examinat

Neco Physics Objective Study Questions

1. A sample of air collected at STP contains 0.039 moles of N2, 0.010 moles of O2, and 0.001 moles of Ar.  (Assume no other gases are present.)

a) Find the partial pressure of O2.

b) What is the volume of the container?


2. A sample of hydrogen gas (H2) is collected over water at 19°C.

a) What are the partial pressures of H2 and water vapor if the total pressure is 756 mm Hg?

b) What is the partial pressure of hydrogen gas in atmospheres?


3. If 600. cm3 of H2 at 25°C and 750. mm Hg is compressed to a volume of 480. cm3 at 41°C, what does the pressure become?


4. Find the density of helium gas at STP.


5. a) Write a balanced chemical equation for the reaction of butane gas with oxygen gas to form carbon dioxide and water vapor.

b) How many liters of oxygen are required to produce 2.0 liters of CO2?

c) How many liters of CO2 are produced from 11.6 g of butane at STP?

d) How many molecules of water vapor are produced from 5.6 liters of butane gas at STP?


6. Find the molar volume of a gas at 68°C and 2.00 atmospheres pressure.


7. How many liters of methane are there in 8.00 grams at STP?


8. Calculate the density of carbon dioxide at 546 K and 4.00 atmospheres pressure.




9.  What volume of O2 at 710. mm Hg pressure and 36°C is required to react with 6.52 g of CuS?

CuS(s) + 2 O2(g)   ®    CuSO4(s)


10. What is the molar mass of a gas if 7.00 grams occupy 6.20 liters at 29°C and 760. mm Hg pressure?


11. At a particular temperature and pressure, 15.0 g of CO2 occupy 7.16 liters.  What is the volume of 12.0 g of CH4 at the same temperature and pressure?


12.  To prepare a sample of hydrogen gas, a student reacts 7.78 grams of zinc with acid:

Zn(s)   +   2 H+ (aq)    ®    Zn2+(aq)   +   H2(g)

The hydrogen is collected over water at 22°C and the total pressure of gas collected is 750. mm Hg. What is the partial pressure of H2?  What volume of wet hydrogen gas is collected?






Focus Areas – Gases:


Kinetic-molecular theory


barometer, manometer


absolute zero temperature

relationship between pressure, volume, temperature

Boyle’s Law

Charles’ Law

Ideal Gas Law R = 0.08206  L atm/mol K

molar volume


molar volume @ STP = 22.4 L

molar mass and density of a gas

gas stoichiometry

partial pressure.

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NECO GCE Physics Questions and Answers Expo 2018

NECO GCE Physics Questions and Answers Expo 2018

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That is all on NECO GCE Physics Questions and Answers for 2018.


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Posted by on September 19, 2018.

Categories: NECO SSCE GCE 2019 Syllabus Questions

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