2023 NECO Islamic Religious Studies Past Questions

400g of cold water is added to 200g of water at 70°C. If they are properly mixed and the temperature of the mixture is 30°C. calculate the initial temperature of the cold water. (Neglect the heat absorbed by the container)

1. A.10°C
2. B.15°C
3. C.20°C
4. D.30°C✓ Correct
5. E.40°C

Complete this statement with the most appropriate of the options lettered A- E Though Chike has been ........ his colleagues believe that he committed the crime.

1. A.authenticated
2. B.convicted
3. C.exonerated
4. D.pardoned✓ Correct
5. E.sentenced

The relationship between equilibrium constant and free energy change is represented as

1. A.δ G ° =-nFE °
2. B.δG °-RT ln K✓ Correct
3. C.δ G °= + RT In k
4. D.δG ° = δH – T S
5. E.H=TδS

The sum total of all the roles an organism plays in a habitat is referred to as its

1. A.ecology
2. B.ecosystem✓ Correct
3. C.habit
4. D.habitat
5. E.niche

A current flows in a series circuit containing a resistor, R, an inductor, L and a capacitor, C. Which of the following is true of the power dissipated in the circuit component(s)?

1. A.The power dissipated in L is greater than zero
2. B.The power dissipated in R is zero
3. C.The sum of the power dissipated in L and C is equal to that in R
4. D.The sum of the power dissipated in L and C is greater than in R✓ Correct
5. E.The sum of the power dissipated in L and C is zero

Choose from the options lettered A - E the one that has the same consonant sound as the one represented by the underlined letter(s) Keen

1. A.chin✓ Correct
2. B.cool
3. C.knife
4. D.knight
5. E.knit

The network of blood capillaries in the kidney capsule is referred to as

1. A.capsule
2. B.glomerulus✓ Correct
3. C.pelvis
4. D.pyramid
5. E.ureter

Three sets of rice x, y and z are sold for N15.00, N35.00 and N60.00 respectively per kg. It they are mixed in the ratio of 1: 3 : 2, what is the cast per kg of the mixture?

1. A.N45.00✓ Correct
2. B.N42.50
3. C.N40.00
4. D.N35.50
5. E.N25.80

$^{226}_{88}Ra$ $\to$ $^{222}_{86}Rn$ + X + Energy. The equation above represents a nuclear decay of radium isotope. What is X?

1. A.Alpha particle✓ Correct
2. B.Beta particle
3. C.Gamma ray
4. D.Neutron
5. E.X – ray

The reaction of an alkanol with alkanioc acid is known as

1. A.dehydration✓ Correct
2. B.esterification
3. C.halogenation
4. D.hydrogenation
5. E.saponification