Biroo Barnootaa Oromiya(BBO)


Гео и язык канала: Индия, Английский
Категория: Образование


📙Teacher Guide
📙Student Books
📒Reference books
📂Model exams
🗞Metrics sheet
❓Study Tips 🤗 .....
👀 Cross and Promotion @GDPromotionBot
✅️Our Official BBO Channel
https://t.me/BirooBarnotaaOromiya

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Гео и язык канала
Индия, Английский
Категория
Образование
Статистика
Фильтр публикаций


#Toora_Xiyyeeffannaa_MNO


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#Barattootni_Kutaa_6ffaafi_8ffaa_Bara_2017 Qormaata Naannoo Fudhatan Gamanumaa Qophii Akka Taasisan Ergaan Darbe.
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BBO- Amajjii 07/2017 Barattootni Kutaa 6ffaafi 8ffaa bara 2017 Qormaata Naannoo fudhatan gamanumaa qophii barbaachisaa ta'e akka taasisan dhaamsi darbeefiira.
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02/05/2017
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- BBO -

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Social Questions at 🟡🟡🟡🟡

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Chemistry questions

✅ BBO

1. What is the chemical formula for water?
  a) H2O2
  b) HO
  c) H2O
  d) H3O

2. Which of the following is an example of a chemical change?
  a) Melting ice
  b) Boiling water
  c) Burning wood
  d) Dissolving salt in water

3. What is the atomic number of an element?
  a) The number of neutrons
  b) The number of protons
  c) The number of electrons
  d) The number of neutrons and protons combined

4. Which of the following is a noble gas?
  a) Oxygen
  b) Hydrogen
  c) Nitrogen
  d) Helium

5. What is the name for the chemical bond formed by sharing electrons?
  a) Ionic bond
  b) Metallic bond
  c) Covalent bond
  d) Hydrogen bond

6. Which of the following is an acid?
  a) NaCl (table salt)
  b) NaOH (sodium hydroxide)
  c) HCl (hydrochloric acid)
  d) H2O (water)

7. What is the process by which a solid changes directly into a gas?
  a) Melting
  b) Sublimation
  c) Vaporization
  d) Condensation

8. Which of the following is a base?
  a) H2SO4 (sulfuric acid)
  b) HNO3 (nitric acid)
  c) NH3 (ammonia)
  d) CH3COOH (acetic acid)

9. What is the term for a substance that speeds up a chemical reaction?
  a) Inhibitor
  b) Catalyst
  c) Reactant
  d) Product

10. What is the number of moles of solute present in 1 Liter of solution called?
   a) Molarity
   b) Molality
   c) Mole fraction
   d) Percent by volume

11. Which of the following is an example of a physical property?
   a) Reactivity
   b) Flammability
   c) Density
   d) Toxicity

12. What is the name for the smallest particle of an element that can exist?
   a) molecule
   b) compound
   c) atom
   d) ion

13. Which of the following is an example of a homogeneous mixture?
   a) Pizza
   b) Sand and water
   c) Air
   d) Salad

14. What is the term for the energy required to start a chemical reaction?
  a) Enthalpy
  b) Activation energy
  c) Gibbs free energy
  d) Bond energy

15. Which of the following is the balanced equation for the combustion of methane (CH4)?
   a) CH4 + O2 → CO2 + H2O
   b) CH4 + 2O2 → CO2 + 2H2O
   c) 2CH4 + O2 → 2CO2 + H2O
   d) CH4 + O2 → 2CO2 + H2O

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Gaffi Hardha Galgalla irratti hirrmachun cardi qarshi dhibba shani(500) argadha!!
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🙋 Hey there, remember that every small step you take today is progress towards your goal.
Embrace challenges as stepping stones to your success.
Believe in yourself and your capabilities, because you have the power to achieve great things.
Keep pushing forward and never underestimate the strength within you


💻BAGA GEESSAN !

🔹 Hordoftoota Amantaa Kiristaanaa Hundi
Baga Guyyaa Ayyaana Dhaloota Iyyasuus Kiristoosin Isin Gahe!
Ayyaanni, kan #Nagaa_Jaalalaafi_Gammachuu Isiniif Haata'u!
#MerryChristmas

💠 Biiroo Barnootaa Oromiyaa
29/04/2017
Finfinnee

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Репост из: Grade 9 ~ 12 New Curriculum Books
G12-Physics-TG-2023-web.pdf
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1. Which of the following is NOT a characteristic of living organisms?

a) They are made up of cells.
b) They reproduce.
c) They require energy.
d) They are stationary.

2. The process of photosynthesis takes place in which organelle?

a) Nucleus
b) Mitochondria
c) Chloroplast
d) Golgi apparatus

3. Which type of molecule is responsible for carrying genetic information?

a) Carbohydrates
b) Lipids
c) Proteins
d) Nucleic acids

4. Which of the following is an example of a prokaryotic cell?

a) Plant cell
b) Animal cell
c) Bacteria
d) Fungus

5. The process of cellular respiration occurs in which organelle?

a) Nucleus
b) Mitochondria
c) Chloroplast
d) Golgi apparatus

6. What is the name of the process by which cells break down food molecules to release energy?

a) Photosynthesis
b) Cellular respiration
c) Mitosis
d) Meiosis

7. Which of the following is a type of asexual reproduction?

a) Fertilization
b) Binary fission
c) Meiosis
d) Gametogenesis

8. What is the name of the process by which cells divide to create two identical daughter cells?

a) Mitosis
b) Meiosis
c) Fertilization
d) Gametogenesis

9. Which of the following is a characteristic of a species?

a) They can interbreed and produce fertile offspring.
b) They have a unique set of genetic traits.
c) They share a common ancestor.
d) All of the above

10. What is the name of the theory that explains the origin of life on Earth?

a) Cell theory
b) Theory of evolution
c) Germ theory
d) Theory of spontaneous generation


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