2000
Which of the following statements is correct about the periodic table?
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2000 FUTO Post UTME Chemistry Past Questions
2000
The fundamental difference between the three states of matter is the
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2000
The partial pressure of oxygen in a sample of air is 452mmHg and the total pressure is 780mmHg. What is the mole fraction of oxygen?
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2000
The ratio of the initial to the final pressure of a given mass of gas is 1:1.5. Calculate the final volume of the gas if the initial volume was 300cm\(^3\) at the same temperature.
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2000
How many moles of HCl will be required to react with potassium heptaoxodichromate (VI) to produce 3 moles of chlorine?
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2000
50cm of carbon (II) oxide exploded with 150cm\(^3\) of air containing 20% oxygen by volume. Which of the reactants was in excess?
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2000
Which of the following compounds is composed of Al, Si, O and H?
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2000
Sieving is a technique used to separate mixtures containing solid particles of
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2000
A mixture of iodine and sulphur crystals can be separated by treatment with
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2000
Hydration of ions in solution is associated with
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2000
The air pollutant unknown in nature is
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2000
Water molecules can be liquids especially when they are bonded to
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2000
A side effect of soft water is that
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2000
The noble gas, argon, is used for
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2000
The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194nm. The atomic radius of chlorine atom is
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2000
The shapes of CO\(_2\), H\(_2\)O and CH\(_4\) respectively are
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2000
The knowledge of half-life can be used to
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2000
Which of the following types of bonding does not involve the formation of new substances?
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