Chemical Industries

Question 1

what are minerals? gangue? metallurgy?

Question 2

ore? main steps of metallurgy?

Question 3

magnetic seperation?

Question 4

cyclone seperation?

Question 5

flotation process? example?

Question 6

roasting? example?

Question 7

what is smelting? most common reducing agents? examples?

Question 8

smelting of copper ore? describe the first process?

Question 9

smelting of copper ore? describe the second process?

Question 10

what cell is used in electrorefining? what is cathode and anode for copper refining?electrolyte? what first makes Cu to dissolve? state anode and cathode reaction? impurities?

Question 11

distillation? sodium carbonate importance?

Question 12

steps in metallurgy? flow chart?

Answer 12

pg 148

Question 13

what is solvay process? what are the raw materials used?

Question 14

basic reactions of solvay process? just name it? describe first 3?

Question 15

solvay process? last 3 steps?

Question 16

advantages of solvay process?

Answer 16

5

Question 17

make flow chart for solvay process?

Question 18

fertilizers types? describe?
crude oil?

Answer 18

natural /synthetic
petroleum
pg 152

Question 19

why is ____ one of the widely used fertilizers?

Answer 19

urea
3

Question 20

raw material for the manufactuing of urea? name the steps to manufacturing? chemical formula of urea.
gasoline?

Answer 20

NH3 NOT NH4
CO2
3
CH4N2O
petrol

Question 21

describe the steps to manufacture urea?

Question 22

name 3 fertilizers, formula, molecular mass & % of Nitrogen

Question 23

petroleum roots? define? aka?

Question 24

origin of petroleum and natural gas?

Question 25

how is petroleum obatined?

Answer 25

mined?

Question 26

what is refining? fractions? what is fractional distillation of petroleum?

Question 27

list names of fraction obtained by? & list their one use. how many?

Answer 27

fractional distillation of petroleum LGNKDLFB | "Lovely Girls Never Knit Dresses Late For Breakfast."

Question 28

describe how different types of fire require diff. chemistry to be put out?

Answer 28

wood oil and electric

Question 29

describe the use of synthetic and organic/natural fertilizers. explain how tech. impacts production of common chemicals

Question 30

draw flow chart for urea manufacturing. how is Ca(OH)2 produced in Solvay. pg 160 question 14 solve it