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FHSB 1214

BIOLOGY 1

FOUNDATION IN SCIENCE

Identity

NG KEI PENG

Group member

Sensible Group

P20

Date of lab course

Program

Basis in Scientific research

Unit code

FHSB1214

Product description

Biology I

Yr and trimester of study

2015, Trimester 1

Name of laboratory report

Exploration of the Effects of Different Catalytic Conditions on Hydrogen Peroxide Decomposition. Lecturer's name

Norkhalidah Binti Jamali

Investigation with the Enzymatic Effects of Different Catalytic Conditions about Hydrogen Peroxide Decomposition Comments are indicated by ‘> > > ' (in detail), ‘??? ' (unclear) or ‘xxx' (wrong concept)

FHSB1214 Biology I (201505)-Lab Report Tagging Scheme (Practical 4) Item

Description

Signifies

Title

Replicate from Lab Manual (L/M)

/1

Objective

Copy from L/M

/1

Apparatus

Copy by L/M

/1

Materials

Backup from L/M

/1

Treatment

Copy via L/M

Rebuild procedures via L/M in passive type

/1

/1

Results

Subject for table

Observations after and before inserting excellent splinter

/1

/12

Conversation

Refer to tagging scheme

Biology concept/theory

Independent & dependent variables

6 questions in research laboratory manual

/1

/2

/14

Conclusion

Consider marking scheme

/1

Referrals

A. G. A. Format

Minimum two references

/1

/1

Structure

File format (. doc/. docx), file term (i. elizabeth. students term & id), font, typeface size & etc

/1

Total

/40

Title: Analysis of the Associated with Different Catalytic Conditions about Hydrogen Peroxide Decomposition.

Goal: To investigate the catalytic impact at different conditions for the hydrogen peroxide decomposition.

Apparatus: Beaker, Water bath (95В°C), Glass rod, Boiling pipes & evaluation tubes, pen knife/blade, parafilm

Materials: New liver, manganese dioxide, wood made splinters, potato cubes, 10% hydrogen peroxide

Procedures:

1 ) Six clean empty hot tubes as 1, a couple of, 3, four, 5 and 6 is usually labeled. installment payments on your The rovided liver is definitely cut in three components of roughly zero. 8cm x 0. 8cm x 0. 5cm. 3. One item of liver is placed into tube 1 .

four. The second part of liver is placed into tube 2 . Pipe 2 is placed in normal water bath (95°C) for about a few minutes. Its is definitely removed from the and let amazing. 5. The third piece of liver organ is put into tube several. It is mashed gently in pulp which has a glass fly fishing rod. 6. The potato cube of roughly 0. 8cm x zero. 8cm x 0. 5cm is minimize. One cube is placed into tube four. 7. Two portions of 0. 5g manganese dioxide powder is usually measured. Each portion is definitely poured into tube a few and pipe 6. almost eight. Tube 6th is put in the water bathtub (95°C) to get five minutes. It can be removed from normal water and let amazing. 9. Another six clean empty evaluation or cooking tubes can be prepared. 5cmᶟ of hydrogen peroxide can be put into each of them. 10. Hydrogen peroxide is definitely added quickly into tubes 1, two, 3, four, 5 and 6. **Step 9 and 10 are to be done quickly.

11. The parafilm is stretched and the mouth of the boiling pipes is closed quickly. To be able to prevent the parafilm from becoming displaced if the lot of gas is made, the parafilm covering the part of the check or cooking food tube can be secured with another bit of parafilm. doze. Observations is recorded in Table 1 .

13. The tubes is usually left intended for 20 moments or until when quite a lot of gas becoming produced in some boiling tubes as found by the bulging of parafilm from the test or boiling tube mouths. 14. A glowing splinter (flame put out but glow remains) is inserted in to each pipe one at a time by just penetrating the parafilm with it. 15. Again, all observations happen to be recorded in Table 1 )

Results / observations:

Table 1: Stand of

Test tube

Articles with 5cmᶟ hydrogen peroxide

Observations

Ahead of inserting shining splinter

After inseting shining splinter

one particular

Fresh hard working liver

2

Boiled liver (cooled)

3

Pulped liver

5

Potato cubes

5

Manganese dioxide (untreated)

6

Hard boiled...

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