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🦋*ੈ✩‧₊˚ Notes, Quizzes, Exercises for SPM Students
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Quiz with Heera
🧬Biology

#quiz #biology
#heera
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~ Random Bio Questions ~
#biology #quiz
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Chemistry with Heera🐼🧪

🌷Oxidising Agent:
👉that oxidises the other substance
👉undergoes reduction
👉oxidation number decreases
👉loses O2
👉gain H2
👉gain electron

Examples:
1⃣💜Acidified potassium manganate (VII), KMnO4

2⃣Acidified potassium dichromate (VI), K2Cr2O7

3⃣💛Chlorine water, Cl2

4⃣🤎Bromine water, Br2

5⃣Acidified hydrogen peroxide, H2O2



🌷Reducing agent :
👉 that reduces the other substance
👉undergoes oxidation
👉oxidation number increases
👉gain O2
👉loses H2
👉loses electron

Examples:
1⃣Potassium Iodide, KI

2⃣Potassium Bromide, KBr

3⃣Iron(ii) sulphate, FeSO4

4⃣Reactive metals (e.g. Zn and Mg)

5⃣Sulphur dioxide, SO2


#chemistry #c1 #f5
#heera

@heeranotes
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Chemistry with Heera🐼🧪

Define redox reaction
👉 Redox reaction is a chemical reaction where oxidation and reduction occur simultaneously

#chemistry #quiz
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🧬Randomzzz bio question

What is the difference between fume chamber, laminar flow cabinet and biological safety cabinet?

What are the functions of the laboratory equipments stated?

#biology #quiz
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🧬Biology with Heera👩🏻‍⚕️

Chapter 6 : Cell division and Growth
🍁Meiosis ➡️ PMAT I and PMAT II

Formula : PMAT
P- Prophase
M- Metaphase
A- Anaphase
T- Telophase

#biology #c6 #f4
#heera

@heeranotes
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Meiosis (BwH).pdf
434.2 KB
🧬Biology with Heera👩🏻‍⚕️

Chapter 6 : Cell division and Growth
🍁Meiosis ➡️ PMAT I and PMAT II
(PDF)

Formula : PMAT
P- Prophase
M- Metaphase
A- Anaphase
T- Telophase


#biology #c6 #f4
#heera

@heeranotes
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🧬Biology with Heera👩‍⚕

🦠Chapter 11 - Immunity in Humans

👉Definition of Pathogen, antigen, antibody and immunity
👉Phases of Phagocytosis

#biology #c11 #f4
#heera

By - @heeranotes
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