2020
The boiling point of pentane is higher than that of propane because?
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2020 WAEC SSCE Chemistry Past Questions
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2020
A factor that is considered most important when siting achemical industry is?
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2020
Which of the following pairs of elements has the greatest difference in electronegativity?
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2020
A balanced chemical equation is based on thelaw of?
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2020
The oxidation state of chlorine in NaClO\(_3\) is?
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2020
When an ionic bond is broken, bonding electrons are
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2020
Group VIl elements in their combined states are called?
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2020
The most suitable process of obtaining water from an aqueous solution of sugar is
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2020
Which of the following pairs of properties of alkali metals decreases down the group?
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2020
The high solubility of ethanol in water is due to?
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2020
Equal masses of calcium trioxocarbonate(iv) were added to dilute hydrochloric acid at the temperature specified. Under which of the following conditions would the reaction be slowest?
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2020
What is the mass of silver deposited when 24,125 C of electricity is passed through a solution or silversalt.[Ag = 108, IF = 96,500 C ]
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2020
What quantity ofelectrons is lost when one mole of iron (II) ions is oxidized to iron (III) ?
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2020
Which or the following products could be formed duringincomplete combustion of a hydrocarbon.i.Carbon ii.Hydrogen III. Carbon (Il) oxide
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2020
Which or the following substances is a polypeptide?
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2020
The IUPACname of the compound represented by the structure below is ?
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2020
Which of the followingsubstances is an example of a fine chemical?
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