Chemistry unit 1

Question 1

What are the 3 main states of matter?

Answer 1

solid, liquid and gas

Question 2

The characteristics of a solid are?

Answer 2

it’s rigid, fixed shape, can not be squashed, very strong bonds

Question 3

The characteristics of a liquid are?

Answer 3

Not rigid, doesn’t have a fixed shape, can not be squashed, strong bonds

Question 4

The characteristics of a gas are?

Answer 4

not rigid, fills all available space, can be squashed (compressed) and loose bonds

Question 5

What do you call the process by which a solid turns to a liquid?

Answer 5

Melting

Question 6

What do you call the process by which a liquid turns to a gas

Answer 6

Evaporation

Question 7

What do you call the process by which a gas turns to a liquid?

Answer 7

Condensation

Question 8

What do you call the process by which a liquid turns to a solid?

Answer 8

Freezing

Question 9

What do you call the process by which a gas turns to a solid?

Answer 9

Deposition

Question 10

What do you call the process by which a solid turns to a gas?

Answer 10

Sublimation (eg dry ice)

Question 11

The states of matter can be shortened to what letters?

Answer 11

S, L and G

Question 12

The four and far lass common state of matter is called?

Answer 12

Aqueous Solution (Aq)

Question 13

What temperature does water freeze at?

Answer 13

0oc

Question 14

What temperature does water boil at?

Answer 14

100oC