States of Matter
Phase changes
Acids and Bases
Indicators and Neutralization
100
What is the three types of matter?
Solid, Liquid and Gas
100
What is Phase Changes
when something changes from one state of matter to another
100
what is a ph number?
it tells us if the liquid is a acid, base or neutral
100
what is a indicator?
It is an special chemical that can change to a diffrent colour in an acid or an alkali
200
what states of matter are the molecules close to each other?
solid
200
What does it called when it goes from a solid to an liquid
Melting
200
from wich numbers goes from the scale (from the start to the end)?
1-14
200
What does an universal indicator shows?
It shows how strong or weak an acid/base is.
300
what states of matter is it when the molecules are spread out
gas
300
what does it called when you go from liquid to gas
Evaporation
300
what does it called when the ph is 7
neutral
300
What is a limus paper?
It a paper that shows if its a acid or base ( red = acid blue = base)
400
what state of matter is it when the molecules is a little bit apart
liquid
400
What does it called when you go from solid to an gas
depostition
400
what is the ph 4 (weak acid,strong acid,weak base,strong base)?
weak acid
400
What do you get if you mix an acid + base?
You get water + salt
500
can you destory matter or make new ones?
no
500
what does it called when you go from solid to gas
sublimation
500
how do you neutralize a strong acid?
take a strong base
500
What is a neutralization?
A chemical reaction that happens when you mix an acid and base together
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