2025
Bronze is used in making
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2025 JAMB UTME Chemistry Past Questions
2025
What is the product obtained at the anode in the electrolysis of concentrated sodium chloride using graphite electrode?
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2025
Freons pollution in the air are released from
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2025
In welding and cutting of metals, the organic gas commonly used in the heating process is
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2025
After breathing in a test tube that contains acidified K\(_2\)Cr\(_2\)O\(_7\), a man noticed a change in the colour of the acidified K\(_2\)Cr\(_2\)O\(_7\) from orange to green. This suggests the presence of
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2025
How many molecules are there in 4.0 moles of glucose? \[Avogadro's number = 6.02 x 10\(^{23}\)\]
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2025
Find the hydrogen ion, H\(^+\) concentration and hydroxide ion, OH\(^-\) concentration in 0.06 moldm\(^{-3}\) solution of H\(_2\)SO\(_4\).
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2025
The reaction above illustrated is
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2025
The 5\(^{th}\) member of an alkyne series is
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2025
CH\(_3\)C ≡ CCH(CH\(_3\))\(_2\) The IUPAC nomenclature of the compound above is
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2025
If 5g of Iron filling was reacted with excess dilute H\(_2\)SO\(_4\) to evolve hydrogen gas, which came to completion after 10 min, calculate the rate of reaction in g/hr.
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2025
Which of the following pairs of elements will exhibit diagonal relationship?
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2025
The sublimation of solid to gas involves
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2025
An example of a salt that can dissolve in water to form a solution with a pH of 7.
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2025
If a gold bar and a silver bar are tied together firmly and left for years, some of the gold particles will be found in the silver bar due to
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2025
C\(_2\)H\(_5\)OH + CH\(_3\)COOH ⇌ CH\(_3\)COOC\(_2\)H\(_5\) + H\(_2\)O The reaction above is
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2025
The compound CH\(_3\)CH(NH\(_2\))CH\(_2\)CH\(_2\)CH\(_3\) is an example of a
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2025
Calculate the pH of 0.001M KOH solution.
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2025
The gas that ammoniacal solution of CuCl\(_2\) is used to absorb from producer or water gas is
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2025
An example of a physical change is
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