2021
The mass of one Avogadro number of helium atoms is?
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2021 JAMB UTME Chemistry Past Questions
2021
The mass number of a nucleus is?
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2021
The reactivity of fluorine is due to?
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2021
Soaps clean surfaces on the principlebased on?
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2021
Which of the following is a form of calcium carbonate?I. limestone II. marble III. chalk Iv. egg-shells
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2021
Neutrons were discovered by?
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2021
The maximum electron in N shell is?
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2021
A sample of any of the following substances disappearsafter some time when exposed to air like camphor, naphthalene, or dry ice. This phenomenon is called?
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2021
Oxygen is absent in?
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2021
The gas which causes global warming is?
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2021
The atomic weight of nitrogen is?
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2021
Which of the following are chemical changes?I. cooking of food II. digestion of food III. freezing of water IV. water is heated up
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2021
Which of the following is a non-metal that remains liquid at room temperature?
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2021
Which one of the following is not a mixture?
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2021
A 'breath test' used by traffic police to check drunken driving uses?
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2021
What is the chemical name for the compound CuCO\(_{3}\)?
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2021
What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)
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2021
The scientist who stated that matter can be converted into energy is?
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2021
The enzyme that converts glucose to ethylalcohol is?
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2021
Give the common name for the following compound (CH\(_{3}\))\(_{2}\) CH CH\(_{2}\) -Br
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