2019
Which quantum divides shells into orbitals?
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2019 JAMB UTME Chemistry Past Questions
2019
The shapes of water, ammonia, carbon (iv) oxide and methane are respectively
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2019
A cell shorthand notation can be written as A / A\(^+\) // B\(^{2+}\) /B. The double slash in the notation represents the
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2019
Consider the reaction: A + 2B\(_{(g)} \rightleftharpoons \) 2C + D\(_{(g)}\) (\(\Delta\)H = +ve)What will be the effect of decrease in temperature on the reaction?
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2019
The following are isoelectronic ions except
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2019
The hybridization in the compound \(CH_3 - CH_2 - C \equiv H\) is
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2019
The electronic configuration of element Z is 1s\(^2\) 2s\(^2\) 2p\(^6\) 3s\(^2\) 3p\(^1\). What is the formula of the compound formed between Z and tetraoxosulphate (VI) ion.
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2019
Which of the following could not be alkane?
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2019
The two ions responsible for hardness in water are
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2019
What volume of 0.100M sodium trioxonitrate (V) solution contains 5g of solute.[Na = 23, N = 14, O = 16]
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2019
Elements in the periodic table are arranged in the order of their
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2019
Which important nitrogen-containing compound is produced in Haber's process?
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2019
What mass of magnesium would be obtained by passing a current of 2 amperes for 2 hours, through molten magnesium chloride?[1 faraday = 96500C, Mg = 24]
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2019
Which of the following gases contains the least number of atoms at s.t.p?
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2019
The IUPAC nomenclature of the compoundH\(_3\)C - CH(CH\(_3\)) - CH(CH\(_3\)) - CH\(_2\) - CH\(_3\)
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2019
A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180. Find the molecular formula.[H = 1, C = 12, O = 16]
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2019
In the reaction:M + N → PΔH = +Q kJWhich of the following would increase the concentration of the product?
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2019
Sulphur exists in six forms in the solid state. This property is known as
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2019
In the reaction between sodium hydroxide and tetraoxosulphate (VI) solutions, what volume of 0.5 molar sodium hydroxide would exactly neutralize 10cm\(^3\) of 1.25 molar tetraoxosulphate (vi) acid?
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2019
Which of the following is a physical change?
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