States of matter

Question 1

everything made of __________

Answer 1

matter

Question 2

Classification of matter based on :

Answer 2

state and composition

Question 3

phases of matter :

Answer 3

1-solid
2-liquid
3-gas
4-pseudo or plasma

soo doh

pse udo

Question 4

All matter can be classified into two main categories:

Answer 4

pure substance or mixture

Question 5

Pure substances can either be __________or__________

Answer 5

element or compound

Question 6

mixture can be either ___________or___________

Answer 6

homogeneous , heterogeneous

ho moh genious/hat roh genious

homo gene ous /heter o geneous

Question 7

change in the phase of matter but not the chemical make up of the material or no change in its composition ,recognizable
Difference

Answer 7

physical change

Question 8

change in its composition

Answer 8

chemical change

Question 9

can be observed or measured or exhibited without changing the composition or identity of substance

Answer 9

Physical property

Question 10

consequences of change in composition and can be observe only through chemical reaction

Answer 10

chemical property

Question 11

chemical reaction

Answer 11

chemical substances is converted to one or more different substance by rearrange remove replace adding atoms

Question 12

density in solid

Answer 12

high

Question 13

density in liquid

Answer 13

less than soild

Question 14

density in gas

Answer 14

less than solid and gas