Formulae Equations And Hazards

Question 1

Chemical formula of ammonia

Answer 1

NH3

Question 2

Chemical formula of ammonium ion

Answer 2

NH4+

Question 3

Chemical formula of hydroxide

Answer 3

OH-

Question 4

Chemical formula of nitrate

Answer 4

NO3-

Question 5

Chemical formula of carbonate

Answer 5

CO3 2-

Question 6

Chemical formula of sulfate

Answer 6

SO4 2-

Question 7

How to perform ionic equations

Answer 7

1) write out he full balanced equation
2) split dissolved ionic compounds up into ions
3) remove ions that appear on both sides of the equation

Question 8

What is a hazard

Answer 8

A hazard is anything can has the potiential to cause harm or damage

Question 9

What does oxidising mean and what is the danger symbol?

Answer 9

Provides oxygen which allows other materials to catch fire more easily and burn more fiercely

Question 10

What is an environment hazard and what is the symbol

Answer 10

Harmful to organisms and the environment

Question 11

What is corrosive and what is the symbol

Answer 11

Destroys materials including living tissue e.g concentrated sulfuric acid

Question 12

What does harmful mean and what is the symbol

Answer 12

It can cause irritation, reddening or blistering of the skin

Question 13

What does toxic mean and what is the symbol

Answer 13

Can cause death by swallowing breathing or absorption through skin