Recent questions without an upvoted answer

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A balloon of volume 1.5cm3 containing helium gas at a pressure of 3.0 x 106pa is released from the ground when the temperature is 20°C. What will be the pressure when it reaches a point where the volume becomes 3.0m and the temperature 5°C

asked Aug 5, 2021 in Physics Form 1 by anony mous

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A bullet traveling at a speed of 100ms−1 strikes a wall and penetrates 2cm. How long does the bullet take to stop after striking the wall?

asked Aug 5, 2021 in Physics Form 3 by anony mous

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When a piece of metal is place in water it sinks. But when the same piece of metal is placed on a block of wood it floats explain the observation

asked Aug 5, 2021 in Physics Form 4 by anony mous

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Hydrogen gas was prepared in the lab. Using the following set up

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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1 answer

Define the following terms: Electron affinity

asked Aug 5, 2021 in Chemistry Form 2 by anonymous

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2 answers

Define the following term: Ionization energy

asked Aug 5, 2021 in Chemistry Form 2 by anonymous

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Define the following term: Isotope

asked Aug 5, 2021 in Chemistry Form 2 by anonymous

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1 answer

Give four reasons why most apparatus are made of glass

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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The diagram below shows a rod made of wood on one end and metal on the other end suspended freely with a piece of thread so that it is in equilibrium

asked Aug 5, 2021 in Physics Form 2 by anony mous

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It is observed that a smelly gas released at the back of the laboratory spreads faster on a hot day than on a cold day. Explain.

asked Aug 5, 2021 in Physics Form 1 by anony mous

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Identify the following apparatus and give a use for each

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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Define the following: Ion

asked Aug 5, 2021 in Chemistry Form 2 by anonymous

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The diagram below shows a pith ball in a flask. When a jet of air is blown over the mouth of the flask, the pith ball is found to rise from the bottom. Explain this observation

asked Aug 5, 2021 in Physics Form 1 by anony mous

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Define the following:

asked Aug 5, 2021 in Chemistry Form 1 by anonymous

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The block of wood on the balance in the figure below is a cube of side 20cm Determine its density in kgm−3

asked Aug 5, 2021 in Physics Form 1 by anony mous

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1 answer

The figure below shows a wave profile

asked Aug 5, 2021 in Physics Form 2 by anony mous

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1 answer

The figure below shows path of ray of yellow light through a glass prism. The speed of yellow light in the prism is 1.88 x 108m/s.

asked Aug 5, 2021 in Physics Form 3 by anony mous

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1 answer

An oil drop of average diameter 0.7mm spreads out into a circular patch of diameter 75cm on the surface of water in trough.

asked Aug 5, 2021 in Physics Form 2 by anony mous

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In an experiment to demonstrate Brownian motion, smoke was placed in an air cell and observed under a microscope, Smoke particles were observed to move randomly in the cell.

asked Aug 5, 2021 in Physics Form 1 by anony mous

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The following diagram shows a simplified hydraulic braking system of a car.

asked Aug 5, 2021 in Physics Form 1 by anony mous

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