2001
Which compound will have the lowest boiling point?
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2001 NECO SSCE Chemistry Past Questions
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2001
The Atomic theory model which explains that electrons in an atom revolve round quantized energy levels is attributed to
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2001
Which is NOT a property of metals?
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2001
Which of the following is TRUE of a catalyst? I. it alters the activation energy of a reactionII. it is effective in a reaction but cannot initiate a reactionIII, it affects the equilibrium of a reversible reactionIV. it…
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2001
A gas X diffuses through a porous partition at the rate of 3 cm3 per second. Under the same condition, hydrogen diffuses at the rate of 15 cm3 per second. What is the relative molecular mass of X?
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2001
Faraday s first law of electrolysis can be expressed mathematically as
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2001
An experiment to test the conductance of 0,1 M solutions of the substances listed below was perform.I ammoniaII ammonium chlorideIII ethanoic acidIV sodium ethanoateWhich pair of substances show the least conductance?
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2001
The best way to distinguish between Na2CO3and NaHCO2 is by.
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2001
The Kinetic theory can NOT be used to explain
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2001
Which method is NOT used to determine rate of a reaction?
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2001
Ethanol is a product of fermentation of simple sugars. Which method is used to separate ethanol from the other products?
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2001
To test for the presence of chloride ions in solution, correct sequence of reagents to use is
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2001
NaCl(s) does NOT conduct electricity, but N(aq) does. This is because
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2001
The green colour solution of an Fe2 salt changes to a brown solution of an Fe3+ salt by
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2001
if an element X with atomic number 13 combines with an element Y whose atomic number is 8 the most likely formula of the compound formed between X and Y is
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2001
When an electric current is passed through a solution containing dilute tetraoxosulphate (Vi) acid, 190 cm3 of hydrogen gas is evolved. if the measurements were made at 26°C and 736 mmHg, what is the volume of hydrogen a…
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2001
A measure of the degree of disorderliness in a chemical system is known as the
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2001
Fructose and glucose are
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2001
Detergents are better than soaps for washing in hard water because
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2001
Which compound is a component of baking powder?
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