The Big Chemistry Quiz

Table of Contents

The melting point is:

A suspension is:

What separation technique would you use to separate two miscible liquids which have different boiling points?

What is an element?

Which of the following makes up most of the Earth’s atmosphere?

Permanent hardness in water is caused by the presence of:

The gas found in a light bulb is:

The valency of an element is:

When potassium reacts with oxygen it:

A molecule is:

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