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BECE Science 2024 Paper

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Question : 11

Total: 40

A student who complained of stomach upset was given first aid with

\mathrm{Mg(OH)_2}

boldly written on it. What could be the common name of the first aid the student was given?

Milk of aluminium
Milk of magnesia
Trisilicate
Martins liver salt

Solution:

Concept:

\mathrm{Mg(OH)_2}

is commonly known as milk of magnesia.

Explanation:

The chemical formula

\mathrm{Mg(OH)_2}

is magnesium hydroxide.

Magnesium hydroxide is widely used as an antacid to relieve stomach upset.

Its common name is milk of magnesia.

Answer:

B. Milk of magnesia

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