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Question 1

what is a reaction with hydrogen called

Answer 1

hydrogenation

Question 2

ethene + hydrogen = ?

Answer 2

ethane

a double bond + 2 hydrogens turns to (ane)

Question 3

(reaction with hydrogen) which out with alkenes, alkanes, cycloalkenes, cycloalkanes is produced

Answer 3

alkanes

Question 4

ethene + chlorine (cl -cl) =

Answer 4

chlorination

drop the double bond

Question 5

ethene + fluorine (f - f) = ?

Answer 5

fluorination

drop the double bond

Question 6

what’s a reaction with water called

Answer 6

hydration

Question 7

(reaction with water) what is formed

Answer 7

alcohol

Question 8

ethene + water h - oh =

Answer 8

ethanol

add h on one side and oh on the other

Question 9

which 3 elements does carbohydrates contain

Answer 9

carbon hydrogen oxygen

Question 10

what realeases energy

Answer 10

carbohydrates

Question 11

complex carbohydrates release

Answer 11

enegery slower than simple carbohydrates

Question 12

what colour does iodine change in the presence of starch

Answer 12

from brown to blue/black

Question 13

what colour does benedictus turn in the presence of a simple sugar

Answer 13

from blue to orange

Question 14

what’s the process of making alcohol from sugar called

Answer 14

fermentation

Question 15

alcohols uses

Answer 15

fuel 
drink
hand sanitiser
cleaning products
mouthwash
solvent (perfume)
pens

Question 16

the bigger the alcohol the __________ in water

Answer 16

less soluble

Question 17

the smaller the alcohol the _________ in water

Answer 17

more soluble

Question 18

bigger the size the ______

Answer 18

less soluble

Question 19

bigger the size _____

Answer 19

bigger boiling + melting point

Question 20

what does carboxyl functional group look like

Answer 20

h         
         |     = o
    h-c-  c 
         |    | 
         h   h 
               | 
               o 
               |
               h

Question 21

what’s an alkenes functional group

Answer 21

c=c

double bond

Question 22

what’s alcohols functional group

Answer 22

-OH

Question 23

what’s carboxylic functional group

Answer 23

-COOH

Question 24

what’s carboxylic general formula

Answer 24

CnH2n+1

COOH

Question 25

in E= C M 📐 T what does E stand for

Answer 25

energy

Question 26

in E= C M 📐 T what does C stand for

Answer 26

specific heat captivity of water

4.18

Question 27

in E= C M 📐 T what does M stand for

Answer 27

water (kg)
75ml = 75g
= 0.075kg
Divide 1000