Which of the Following Substances Is a Possible a Source

question 66

Multiple Choice

Which of the following substances is a possible a source of "hyper" behaviour in children?

• A) caffeine
• B) additives
• C) food colours
• D) sugar

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Definitions:

Multiple Proportions

This is a law stating that when two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other are in a ratio of small whole numbers.

Different Ratios

Proportions or comparative quantities of elements or components in a mixture or compound.

Compound

A substance made up of two or more different elements chemically combined in fixed proportions.

Elements

Pure chemical substances consisting of a single type of atom, distinguished by their atomic number, which is the number of protons in their atomic nuclei.