Chromotogrphy

Question 1

What dose Chromotogrphy seprate

Answer 1

Mixtures

Question 2

Deffnine a pure substance

Answer 2

A pure substance is an a substance containing one element or compound.

Question 3

What colour dose litmus go if chlorine is present

Answer 3

White

Question 4

What are the two phases of chromotogrphy

Answer 4

Mobile phase
Stainary phase

Question 5

What is the Mobile phase

Answer 5

When it moves

Question 6

What is the stationary phase

Answer 6

When it doesn’t move

Question 7

What gas dose hydrogen test for

Answer 7

You get a burning splint and put into the test tube and if it pops hydrogen is present

Question 8

What colour dose limewater go if the gas is present

Answer 8

Goes cloudy

Question 9

How do you test for oxygen

Answer 9

You get a glowing splint and put it into the test tube and if it re-lights it’s self then oxygen is present

Question 10

What is formulation

Answer 10

Formulation is a mixture designed for something useful

Question 11

Give 2 examples of Formulation

Answer 11

Paint,cleaning agents

Question 12

Definition of Chromatography

Answer 12

Chromatography is the separation of mixtures to identify the substances

Question 13

How are formulations made

Answer 13

By mixing chemicals that have a particular purpose

Question 14

How to test for Carbon Dioxide

Answer 14

You use lime water and if the water goes cloudy then Carbon dioxide is present

Question 15

What is Sewage

Answer 15

Sewage is all of the waste that leaves homes and businesses via drains

Question 16

What are the three phases to cleaning sewage

Answer 16

Sedimentation
Filtration
Sterlyisation

Question 17

Where dose sewage go

Answer 17

Into Rivers and Dams

Question 18

What places dose sewage come from in our homes

Answer 18

Toilets,baths,showers,washing macinces.dishwashers

Question 19

What is Phytomining

Answer 19

Plants absorb metal ions their roots in a procces called Phytomining