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HOME TUTOR!
Elevate Your Learning Experience
Personalized Home Tutoring for All Ages
πKG-University
πLanguage Offers(Amharic,Oromic,English,Chinese,Arabic and others)
πExit Exam Preparation
πCOC Preparation
πOnline Tutors&Training Center
πTraining&Other Unlimited Service Provided by β Ador Academy
β Expert Tutors: Our experienced tutors are dedicated to your child's success.
β Tailored Learning Plans: Customized lessons to fit your child's unique needs.
β Flexible Scheduling: Choose timings that suit your busy lifestyle.
β Comprehensive Subjects: Math, Science, English, and more.
β Affordable Rates: Quality education within your budget.
βοΈBook a Free Consultation Today!
+2519 61 17 37 18
+2517 07 42 26 59
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Which of the following best explains why viruses are not considered living organisms?
Anonymous Quiz
27%
They lack a nucleus
48%
They cannot reproduce on their own
13%
They are made of protein only
12%
They don't evolve
Which molecule acts as the final electron acceptor in the electron transport chain during aerobic respiration?
Anonymous Quiz
25%
NAD+
13%
ATP
53%
Oxygen
9%
Carbon dioxide
Which process directly results in the production of four genetically different haploid cells?
Anonymous Quiz
14%
Mitosis
9%
Fertilization
73%
Meiosis
5%
Binary fission
What is the functional unit of kidney?
Anonymous Quiz
8%
ADH
9%
Loop of henel
55%
Nephrone
15%
Kidney tubule
14%
The last two are correct
In a reaction vessel, there is a slice of potato and H2O2. After sometime, bubles of air begin to form at the top.
Which one is correct about the reaction?
Which one is correct about the reaction?
Anonymous Quiz
27%
H2O2 catalyses the reaction
42%
Bubbles are formed due to the libration of CO2
29%
The enzyme catalase is found in the potato
2%
None
Which of the following is considered the seventh enzyme class
Anonymous Quiz
20%
Teansformase
12%
Translocase
36%
Holo enzymes
32%
Transferase
Which one of the following is functional at the outset?
Anonymous Quiz
7%
A)Latent learning
18%
B)Reflex action
7%
C)Habitation
3%
D)Instinictive behavior
26%
A and c
39%
B and D
What happens when there is too much water in the body?
Anonymous Quiz
25%
More antiduratic hormone is produced
13%
More insulin is produced
30%
Less ADH is produced
33%
High volume of water is reabsorbed by the kidney
Here you go.
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If your answer is yes, then check out this channelβ¬οΈβ¬οΈ
β¨β¨ Entrance Accelerators β¨β¨
π Welcome to our channel! π
This channel is specially created to support Natural Science students at various levels who are preparing for entrance exams and aiming to improve their academic skills.
By joining, youβll get access to:
π Short Notes (Grades 9β12)
βοΈ Previous Years Entrance exams
π quizzes to test yourself
π§ Aptitude and Critical Thinking Questions
...and much more!
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π₯ What is Gibbs Free Energy (G)?
π Itβs a special kind of energy that tells us whether a chemical reaction will happen on its own or not.
π‘ Simple Meaning:
Gibbs Free Energy is the energy available to do useful work in a system at constant temperature and pressure.
Real-Life Example:
Ice melting at room temp:
ΞH > 0 (absorbs heat)
But ΞG < 0, so it happens spontaneously! βοΈβ‘οΈπ§
π Key Takeaways:
Gibbs Free Energy helps predict the direction of a chemical reaction
Itβs about the balance between heat and disorder
Lower ΞG = more favorable reaction π§
π Itβs a special kind of energy that tells us whether a chemical reaction will happen on its own or not.
π‘ Simple Meaning:
Gibbs Free Energy is the energy available to do useful work in a system at constant temperature and pressure.
Real-Life Example:
Ice melting at room temp:
ΞH > 0 (absorbs heat)
But ΞG < 0, so it happens spontaneously! βοΈβ‘οΈπ§
π Key Takeaways:
Gibbs Free Energy helps predict the direction of a chemical reaction
Itβs about the balance between heat and disorder
Lower ΞG = more favorable reaction π§
βοΈπ― Whatβs the difference between the End Point and the Equivalence Point in titration?
π― Equivalence Point:
β It's the theoretical point where the amount of acid = the amount of base
π¬ Chemically, neutralization is complete
π Determined by stoichiometry, not color
π End Point:
β It's the experimental point where the indicator changes color
ποΈ This is what you actually see in the lab
β οΈ It should be as close as possible to the equivalence point, but theyβre not exactly the same
π§ͺ Example:
In an acid-base titration using phenolphthalein:
Equivalence point: Neutralization happens (HβΊ = OHβ»)
End point: The solution changes from colorless to pink πΈ
π In short:π§ Equivalence point = theoretical completion
π End point = visual signal that we use to stop titration
π― Equivalence Point:
β It's the theoretical point where the amount of acid = the amount of base
π¬ Chemically, neutralization is complete
π Determined by stoichiometry, not color
π End Point:
β It's the experimental point where the indicator changes color
ποΈ This is what you actually see in the lab
β οΈ It should be as close as possible to the equivalence point, but theyβre not exactly the same
π§ͺ Example:
In an acid-base titration using phenolphthalein:
Equivalence point: Neutralization happens (HβΊ = OHβ»)
End point: The solution changes from colorless to pink πΈ
π In short:π§ Equivalence point = theoretical completion
π End point = visual signal that we use to stop titration