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, 2013841 responses 0

sodium and nitrogen produce


copper has ionic charges of

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

what is it called when two non metals form a compund

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

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

metals tend to

example of single displacement

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

pure substances break into

Select the three correct answers
non metal

florine has a charge of


what deadly gas is in a incomplete combustion?

lewis dot diagrams only show

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

the more acidic a substance the more ___ ions it has

a neutralization reaction produces

what is an example of a skeleton equation?

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

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 the chemical formula for carbonate?

metals are on the left side of the periodic table


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

what color does bromythymol blue turn in a acid