Chapter 1: Matter and Energy - 1

Question 1

A state of matter for an object that has neither definite shape nor definite volume?

Answer 1

Gas

Question 2

A state of matter for an object that has definite volume but not definite shape?

Answer 2

Liquid

Question 3

A state of matter for an object that has both definite shape and definite volume?

Answer 3

Solid

Question 4

Cooking an egg is:

(P) Physical change
(C) Chemical change

Answer 4

C

Question 5

Boiling water:

P) Physical change
(C) Chemical change

Answer 5

P

Question 6

Ironin a shirt:

P) Physical change
(C) Chemical change

Answer 6

P

Question 7

Burning gasoline:

Answer 7

C

Question 8

Decomposing water:

P) Physical change
(C) Chemical change

Answer 8

C

Question 9

Evaporating alcohol:

P) Physical change
(C) Chemical change

Answer 9

C

Question 10

Sanding a table top:

P) Physical change
(C) Chemical change

Answer 10

P

Question 11

Grinding grain:

P) Physical change
(C) Chemical change

Answer 11

P

Question 12

Fermenting fruit juice:

Answer 12

C

Question 13

Dissolving sugar in water:

P) Physical change
(C) Chemical change

Answer 13

P

Question 14

Which of these is a chemical energy:

ice melts at 0°C , oxygen is a gas, helium is very nonreactive, sodium is soft, shiny metal, water has a high specific heat

Answer 14

Helium is very nonreactive

Question 15

Which of the following involves no chemical change:

burning paper, boiling water, baking a cake, lighting a match, driving a car

Answer 15

Driving a car

Question 16

Which of he following is a chemical change:

water condesnsing on a mirror, a damp towel dries, peanuts are crushed, a “tin” can rusts

Answer 16

A “tin” can rusts

Question 17

An example of a chemical change is:

boiling alcohol, grinding coffee beans, digesting pizza, coffee spilled on a shirt, an icecube melting in a drink

Answer 17

Digesting a pizza