rpa 8 : water

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how to check is water is pure
check ph of the water by adding a drip on universal indicator paper if it turns green the ph is 7
then you check for dissovled solids
weigh an empty evaporating basin
fill the basin with a sample
evaporate the water
reweigh
if the mass increased its impure
there may be dissolved gases
how to purify water:
A) conical flask
B) water
C) tripod
D) bunsen burner
E) gauze
F) delivery tube
G) boiling tube
H) beaker
I) ice and water

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rpa 8 : water

Cards (2)

AQA A-Level Chemistry

OCR A-Level Chemistry

3.2 Required Practicals

16.1 Required Practical Activities

3.2 Required Practicals

3.2.4 Respiration

3.2.3 Photosynthesis

3.2.5 Microbiology

3.2.6 Fieldwork

3.2.3 Wave Speed

3.3.14.2 Practical Techniques in Organic Chemistry

Module 1: Development of Practical Skills in Chemistry

3.2.1 Investigating Resistance

3.2.2 Specific Heat Capacity

3.2.2 Enzyme Activity

Core Practicals

3.2.1 Investigating Osmosis

WJEC GCSE Chemistry

1.3.3 Water Purification

4.3 Water Security

3.2.4 Density of Irregular Objects