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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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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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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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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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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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A water pipe of diameter 5.2cm is connected to another pipe of diameter 1.3cm. The speed of the water in the smaller pipe is 3ms-1. What is the speed of the water in the larger pipe?

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

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The figure below shows the cross section of an aeroplane wing (aerofoil), with the aeroplane moving in the direction shown by the arrow.

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

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State what is meant by streamline flow.

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

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