grade 10 CHEM test for exam

grade 10 CHEM test for exam

good to study for the exam grade 10 chemistry unit ... .. . .. ... . . .

published on January 20, 20131044 responses 0

what is the chemical equation for potassium metal and chlorine gas combine to form potassium chloride.

what color does bromythymol blue turn in a acid

what is on the left side of a word and chemical equation?

what is the chemical formula for carbonate?

sodium and nitrogen produce


what is an example of a skeleton equation?

Select the two correct answers
NaCl + 2Na + Cl
Cl2 + 2NaBr = Br2 + 2NaCl
2NaCl = 2Na + 2 CL

lewis dot diagrams only show

pure substances break into

Select the three correct answers
non metal

metals are on the left side of the periodic table


example of single displacement

AB + CD = AD + CB
A + BC = AC + B

what deadly gas is in a incomplete combustion?

the more acidic a substance the more ___ ions it has

sign of a chemical change

Select the five correct answers
new smell
new color
impossible to reverse
precipitate is formed
substance breaks down
bubbles form
heat is given off

what type of chemical reaction is this? Na + Cl = NaCl

florine has a charge of


the more basic a substance is the more ___ ions it has

metals tend to

whaat do you need in order to produce a combustion equation?

a neutralization reaction produces

copper has ionic charges of

which is a balanced equation of P4 + O2 = P2O5

2P4 + 3O2 = 4P2O5
P4 + 5O2 = 2P2O5
5P + 1O2 = 3P2O5

what color does phenolphtalein turn in a acid neutral and basic solution?

what is it called when two non metals form a compund