Acids, Alkalis and pH Flashcards

Flashcards about Acids, Alkalis and pH

What does the pH scale measure?

How acidic or alkaline a solution is.

How can an indicator be made?

From red cabbage.

What is an indicator?

A mixture of dyes that give one color in an acid and another color in an alkali.

How can Universal Indicator be used?

To measure the pH of a solution.

What happens to the pH of an acid as it is diluted?

The pH increases, becoming less acidic.

What happens to the pH of an alkali as it is diluted?

The pH decreases, becoming less alkaline.

What type of reaction occurs when an acid reacts and produces water as one of the products?

A neutralization reaction.

Common acids and alkalis

Lemon juice, vinegar, drain cleaner, bleach.

pH of vinegar

4ish

Window cleaner pH

10-11

lab acids

Hydrochloric acid phosphoric acid and more