Show:
Rates of Chemical
Rections
Chemical Reactions
Oxidization
How to prevent oxidation
What are bases
100
A group of chemical that have certain common properties
What is bases ?
100
it's caused by the release of sulfur and nitrogendioxide into the air
What causes acid rain ?
100
oxygen
In rusting and burning what links up with matter to initiate combustion?
100
Chemical
Is oxidation an example of a chemical or physical change?
100
A chemical that has pHbetween 7.1-14
What is a base ?
200
The colour is pink
What colour dose phenolphthalein turn in a base?
200
soap blood ovencleaner
Name three bases
200
rapid and slow
What are the two types of oxidation reactions?
200
Wrap it up or store it
What can be done to food to slow down the rate of reaction?
200
It's slippery
What is the texture of a base?
300
It turns red
What happens to blue litmus paper in acid?
300
It speeds up
If the temperature of a reaction increases the rate of reaction ?
300
slow
Rust is an example of rapid or slow oxidation?
300
Rapid oxidation
What type of oxidation is a flame?
300
They are bitter
Are bases sweet or bitter to taste?
400
Its an acid
If the pH of a substance is 6.9 is it an acid or a base ?
400
Temperature surface area concentration catalyst
Name four factors that effect the rate of reaction
400
Painting the metal because it prevents oxygen from linking up
What can be done to prevent metal from rusting?
400
Yellow
When paper oxidizes what colour dose it turn when it oxidizes?
400
A base turnes red litmus paper blue
If you dip a piece of red litmus paper into a base what colour will it turn?
500
water
What substance has pH of 7.0?
500
heat oxygen fuel
Name 3 factors that are required for combustion to occur
500
Yes slight heat
Is heat given off when rusting occurs?
500
Iron
Name an element not combustible
500
pH paper litmus paper phenophaleno
What are three indacations?