Science - Acids & Alkalis Flashcards Preview

First Year Science > Science - Acids & Alkalis > Flashcards

Flashcards in Science - Acids & Alkalis Deck (10):
1

What are the 'features' of an acid

They can be an irritant or corrosive. They have to be handled with care.

2

How do we measure an acid or alkali

Using litmus paper or Universal indicator

3

Examples of some dilute acids

hydrochloric acid, sulphuric acid and nitric acid (Bottles labelled as IRRITANTS)

4

What acids might you find in fizzy drinks?

Carbonic acid in fizzy

5

Litmus Paper

Blue litmus turns RED for ACID, but stays blue for an alkali Red litmus turns BLUE in an alkaline solution.

6

Universal Indicator

Universal indicator is a liquid. You can use it to tell how strong or weak an acis or an alkali is It has many different colour changes. Red for strong acids Green is neutral.

7

PH Scale

The scale used to measure how strong or weak the liquid is. The pH scale runs from pH 0 to pH 14. 0 STRONG acid neutral solutions are pH 7 exactly the closer to pH 14 you go, the more strongly alkaline a solution is. PURPLE.

8

What type of acid is a LEMON?

Citric Acid

9

What acid do you find in soap?

Sodium hydroxide

10

What acid do you find in vinegar?

acetic acid