PICLAB: CHEMICAL REACTIONS

Question 1

Represent chemical changes or reactions, and
they show

Answer 1

CHEMICAL EQUATIONS

Question 2

The substances that react

Answer 2

REACTANTS

Question 3

The substance formed

Answer 3

PRODUCTS

Question 4

Two reactants combine to give one product

Answer 4

COMBINATION

Question 5

Ex.
H2 (g) +O2 (g) → H2O(l)

Answer 5

COMBINATION

Question 6

A single substance is decomposed, or
broken down, to give to or more different
substances.

Answer 6

DECOMPOSITION

Question 7

A + B → AB

Answer 7

COMBINATION

Question 8

AB→ A + B

Answer 8

DECOMPOSITION

Question 9

Ex.
2H2O2 (l) → 2H2O(l) + O2 (g)

Answer 9

DECOMPOSITION

Question 10

One element reacts with a compound to replace
one of the elements of that compound, yielding a different element and a different compound

Answer 10

SINGLE REPLACEMENT/ DISPLACEMENT

Question 11

A + BC → B + AC or A + BC → C + BA

Answer 11

SINGLE REPLACEMENT/ DISPLACEMENT

Question 12

Ex.
2Zn(s) + 2HCl (aq) → 2ZnCl2(aq) + H2 (g)

Answer 12

SINGLE REPLACEMENT/DISPLACEMENT

Question 13

Two compounds exchange partners with each
other to produce two different compounds.

Answer 13

DOUBLE REPLACEMENT/DISPLACEMENT

Question 14

AB + CD → AD + CB

Answer 14

DOUBLE REPLACEMENT/DISPLACEMENT

Question 15

Ex.
NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s)

Answer 15

DOUBLE REPLACEMENT/DISPLACEMENT