by Sunday | Mar 21 | Chemistry JAMB
A. Oxide B. Element C. Carbon D. Nitrogen Correct Answer: Option A – Oxide Explanation An oxide is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula.
by Sunday | Mar 21 | Chemistry JAMB
A. Automatic reactions B. Alternate reactions C. Reduction agency D. Redox reactions Correct Answer: Option D – Redox reactions Explanation Redox (reduction/oxidation) describes all chemical reactions in which atoms have an increase or decrease in oxidation...
by Sunday | Mar 21 | Chemistry JAMB
A. Sublimation B. Reduction C. Oxidation D. Distillation Correct Answer: Option B – Reduction Explanation Reduction, any of a class of chemical reactions in which the number of electrons associated with an atom or a group of atoms is...
by Sunday | Mar 21 | Chemistry JAMB
A. Monosaccharides get charred when heated B. Monosaccharides are water-soluble, sweet substances C. They are highly vital to the exploration of metals D. They can be reduced to sugar alcohols Correct Answer: Option C – They are highly vital to the exploration...
by Sunday | Mar 21 | Chemistry JAMB
A. Carbon compounds B. Hydrocarbons C. Atoms D. Carbon hydrolysis Correct Answer: Option B – Hydrocarbons Explanation A hydrocarbon is any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H). Classes are Aliphatic and...
by Sunday | Mar 21 | Chemistry JAMB
A. 33 B. 35 C. 18 D. 19 Correct Answer: Option B – 35 Explanation The Group 7 elements are called halogens. They are placed in the vertical column, second from the right, in the periodic table. Chlorine (17), bromine(35), and iodine(53) are the first three of...
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