Chemistry Lessons 10 - 11

Question 1

Two or more simple elements or compounds combine to form a more complex compound.

Answer 1

Synthesis reaction

Question 2

One compound splits apart into two or more pieces.

Answer 2

Decomposition reaction

Question 3

One element replaces another element in a compound.

Answer 3

Single Replacement reaction

Question 4

Formula for double replacement:

Answer 4

AC + BD produces AD + BC

Question 4

Formula for single replacement reaction:

Answer 4

A + BC produces AC + B

Question 5

Two molecules split up & exchange ion partners, in which a positive ion pairs up with a negative ion.

Answer 5

Double Replacement Reaction

Question 6

Reaction in which oxygen gas reacts with hydrocarbon to produce water & CO2.

Answer 6

Combustion Reaction

Question 6

Properties of acids:

Answer 6

-Sour
-Corrosive
-Destroys bases
-Electric conduction
-Reacts with most metals

Question 7

Properties of bases:

Answer 7

-Bitter
-Corrosive
-Destroys acids
-Electric conduction
-Slippery

Question 8

A substance which changes color when added to an acid or base.

Answer 8

Indicator

Question 9

Neutralization

Answer 9

Acid & base react to form salt & water.

Question 10

Formula for acid base reaction

Answer 10

Acid with hydrogen cation + base with hydroxide anion produces “salt” + H2O