Solutions, pH scale and Chemistry Review

Front

What is the total number of atoms in H₂SO₄?

Back

7

Front

What is the smaller part of a solution called?

Back

Solute

Front

How does cold water affect the speed of dissolving?

Back

Cold water slows down dissolving.

Front

Which cup of sugar particles will dissolve the fastest: Cup 1 (large), Cup 2 (medium), or Cup 3 (small)?

Back

Cup 3 will dissolve the fastest.

Front

How many elements are in C₆H₁₂O₆?

Back

3

Front

What is a solution?

Back

A mixture where one substance (solute) is dissolved in another (solvent).

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is the pH of pure water?

Back

7 (neutral).

Front

What happens to the pH of a solution when an acid is added?

Back

The pH decreases (becomes more acidic).

Front

What happens to the pH of a solution when a base is added?

Back

The pH increases (becomes more basic).