9.5 Potential Hazards Related To Use Of Acids And Alkalis

Question 1

3 strong acids

Answer 1

Hydrochloric acid
Sulphuric acid
Nitric acid

Question 2

3 weak acids

Answer 2

Citric acid
Ethanoic acid
Carbonic acid

Question 3

2 strong alkali

Answer 3

Sodium hydroxide
Potassium hydroxide

Question 4

1 weak alkali

Answer 4

Ammonia solution

Question 5

Strong acid can corrode _____, ______, and ______.

Answer 5

Metal, skin, flesh

Question 6

If strong acids/alkalis are in ______, they are more ______.

Answer 6

Concentrated form, corrosive

Question 7

What should we do BEFORE and WHILE we use acidic/alkaline household cleaners?

Answer 7

Read precautions, use in well ventilated area

Question 8

Why in well ventilated area

Answer 8

Acidic/alkaline vapour can irritate/corrode our respiratory tract, skin, eyes

Question 9

What will happen if we mix household cleaners

Answer 9

Produce toxic vapours
Never mix

Question 10

What’s released when diluting, what can it cause

Answer 10

A large amt of heat, splashing

Question 11

7 precautions when diluting

Answer 11

1. Well ventilated
2. Goggles, gloves
3. Slowly to large amt of water
4. Stir continuously slowly
5. Never add water
6. Never bare hands
7. Never inhale vapour