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Unit 13A3 Learning aim C: Investigate practically a range of reactions involving solutions of transition metal ions in order to understand the basis for their qualitative analysis$22.12
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Unit 13A3 Learning aim C: Investigate practically a range of reactions involving solutions of transition metal ions in order to understand the basis for their qualitative analysis
Learning Aim C: Investigate practically a range of reactions involving solutions
of transition metal ions in order to understand the basis for their qualitative
analysis
P7, P8,M6, D3 achieved
deduce electronic configurations of atoms and ions of the d block elements of period 4 sc–zn given the
Written for
BTEC
PEARSON (PEARSON)
Applied Science 2016 NQF
Unit 13 - Applications of Inorganic Chemistry
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Unit 8 Learning aim C Task 2
a) Carry out the chemical tests to identify which of the following is/are present in the unknown set of
samples. Record your observations in table 1.
Table 1. Identification of food samples
Specimen Food test Identification
Green, yellow – then if
there is the 0.1-0.5 sugar and then
there is the colour change of the
Test for carbohydrates (reducing yellow, and the same as added
A
sugars) 0.1-0.5. Also, orange and that
means that there is the 1-1.5 and
then there is the percent sugar, and
this is the positive test.
Blue-black – this is the blue-black
or purplish colour this shows that
there is the positive test and
B Test for starch
showing that there is starch
present, and if there was a
negative result.
Cloudy-white – positive result,
C Test for a lipid
due to be white emulsion.
Purple colour – this is a
positive result, due to if being blue
D Biuret test
colour it would mean that it’s a
negative.
Colourless – for the
Vitamin C
E presence of the vitamin C there is
the indophenol.
F
Include photographs of your experiment below;
b) Identify the different organs on the diagram and describe their role in mechanical and chemical
digestion and absorption by filling out table 2.
1
BTEC Level 3 Nationals in Forensic and Criminal Investigation
Unit 13 Learning Aim A
Authorised Assignment Brief v2.0 October 2018
, Table 2. Organs and forms of digestion in the human body
a) Identify the different organs on the diagram and describe their function and the absorption of
nutrients by completing table 2.
Label Organ Function Mechanical (y/n) Chemical (y/n)
Opening of the Y Y
1 Mouth/ digestive system or of
the tract
Preventing food from N N
2 Epiglottis
entering the trachea
Metabolism, N Y
3 Liver
immunity, synthetic
Store bile that is N Y
secreted by the liver
4 Gallbladder
Transfer bile from the N N
5 Bile duct
gallbladder into the
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