Quiz over suff

Question 1

What does rxn mean?

Answer 1

Reaction

Question 2

What are the 5 indications a rxn occured?

Answer 2

1. Heat
2. Color
   3.Gas produced
3. Ash produced
4. Light and Sound

Question 3

What is the first part of a chemical equation?

Answer 3

gas

Question 4

What is the second part of a chemical equation?

Answer 4

aqueous

Question 5

What does aqueous dissolve in?

Answer 5

water

Question 6

What is the third part of a chemical equation?

Answer 6

catalyst

Question 7

What is a catalyst?

Answer 7

A substance that makes a reaction go faster at lower temperature

Question 8

What is the fourth part of a chemical equation?

Answer 8

precipitation

Question 9

What is the fifth part of a chemical equation?

Answer 9

subscripts

Question 10

What is the sixth part of a chemical equation?

Answer 10

reacts to form

Question 11

What is the seventh part of a chemical equation?

Answer 11

coefficients

Question 12

What is the eighth part of a chemical equation?

Answer 12

exothermic/endothermic

Question 13

What does heat do with exothermic?

Answer 13

heat leaves

Question 14

What does heat do with endothermic?

Answer 14

heat is put in

Question 15

What is the first part of the equation before the arrow called?

Answer 15

Reactants

Question 16

What is the second part of the equation after the arrow called?

Answer 16

Products

Question 17

What is a Synthesis Reaction?

Answer 17

Two elements become one compound (2e –> 1c)

Question 18

What is a Decomposition Reaction?

Answer 18

one compound becomes two elements (1c–>2e)

Question 19

What is a Single Replacement Reaction?

Answer 19

an element and a compound becomes a different element and compound (1e + 1c –> 1e + 1c)

Question 20

What is a Double Replacement Reaction

Answer 20

All compounds (examples in packet pg 7)

Question 21

What is a Combustion Reaction?

Answer 21

hydrocarbons burned in the presence of oxygen (H2O) (Has examples in packet, pg 7)