Chemistry

• • decanting
separating an insoluble solid from a liquid
• • evaporation
separating a soluble solid from a solution
• • crystallisation
separating a soluble solid from a solution
• • filtration
separating an insoluble solid from a liquid
• • distillation
separating a solvent from a solution
• • separating funnel
separating a solvent from a solution
• • chromatography
separating soluble substance
• • when an acid and an alkali are mixed, they go neutral: true or false
true
• • you can cure an acid with a what?an alkali
• • you can cure an alkali with a what?an acid
• • what do you use antacids for?to treat stomach acids
• • the universal indicator will tell you how strong or weak and acid/alkali is: true or false
true
• • on the ph scale, 0-2 means its a strong alkali: true or falsefalse, it means its a strong acid
• • on the ph scale, 8-10 means its a weak alkali: true or false
true
• • alkali is a substance that makes acids less acidic: true or false
true
• • acid cant dissolve in water :true or falsefalse
• • acid+alkali=salt+water: true or false
true
• • anything mixed with water is an aqueous: true or false
true
• • soluble
can be dissolved in certain solvents
• • insoluble
can not be dissolved
• • solubility
how much something can dissolve in a liquid
• • solute
the solid that gets dissolved
• • solvent
the liquid which dissolves the solute
• • is a yellow flame clean?
no
• • does a yellow flame move aroundyes
• • is a yellow flame hard to seeno
• • true or false: the yellow flame is the hottest flamefalse
• • true or false: the air hole on the bunsen has to be completely open for it to be a yellow flametrue
• • a blue flame is clean, yes or no?yes
• • true or false: the air hole must be half open for it to be a blue flametrue
• • true or false: a blue flame is really hard to seefalse
• • is a blue flame hotter than a yellow flame?yes
• • true or false: a roaring flame is the coldest of the flamesfalse
• • true or false: the roaring flame is hard to seetrue
• • does the air hole have to be completely closed for a roaring flame?yes
• • oxidising 
makes flammable substances burn more fiercely
  • flammable
catches fire easily
• • harmful
causes skin irritation but wont kill you
• • harmful to environment
can cause death to animal and plant life
• • serious health hazard
can cause breathing difficulties and sometimes death
• • corrosive
badly damages living skin, clothing and solids