2020
The shape of ammonia molecule is?
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2020 JAMB UTME Chemistry Past Questions
2020
Which of the following gases will rekindle a brightly splint?
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2020
The volume occupied by 1.58g of a gas at S.T.P is 500cm\(^3\). What is the relative molecular mass of the gas? [ G.M.V at S.T.P = 22.4dm\(^{3}\) ]
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2020
The number of molecules of Carbon(iv)Oxide produced when 10.0g of CaCO\(_3\) is treated with 0.2dm\(^3\) of 1 Mole of HCL in the equationCaCO\(_3\) + 2HCL \(\rightarrow\) CaCl\(_2\) + H\(_2\) O + CO\(_2\) , is ?
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2020
How many valence electrons are contained in the element \(^{31}_{15}P\)?
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2020
The products of the thermal decomposition of ammonium trioxonitrate(v) are?
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2020
Four elements P, Q, R and S have atomic numbers of 4, 10, 12 and 14 respectively. Which of these elements is noble gas?
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2020
If the quantity of oxygen occupying 2.76L container at a pressure of 0.825 atm and 300k is reduced by one-half, what is the pressure exerted by the remaining gas?
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2020
Which of the following substances is a mixture?
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2020
When water drops are added to calcium carbide in a container and the gas produced is passed through a jet and lighted, the resultant flame is called an?
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2020
Liquid black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the
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2020
What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?
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2020
What are the possible oxidation numbers of an element if its atomic number is 17?
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2020
Which of the gas laws does this graph illustrate?
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2020
The best treatment for a student who accidentally poured conc tetraoxosulphate(vi) on his skin in the laboratory is to wash his skin with?
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2020
8g of CH\(_4\) occupies 11.2 at S.T.P. What volume would 22g of CH\(_3\)CH\(_2\)CH\(_3\) occupy under the same condition?
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2020
An example of a polysaccharide is?
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2020
Duralumin consists of aluminum, copper?
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2020
Which of the following can be obtained by fractional distillation?
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2020
The electronic configuration of an element is 1S\(^2\) 2S\(^2\) 2P\(^6\) 3S\(^2\) 3P\(^3\). How many unpaired electrons are there in the element?
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