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Waraqaalee qormaataa

Qormaata fakkeenyaa kutaa 8ffaa Keemistirii, bara 2012 A.L.I (2020)

Qormaata fakkeenyaa Keemistirii bara 2012 A.L.I kenname, barattoota kutaa 8ffaa qormaata ministiriitiif qopheessuuf, haala walfakkaatuun. Shaakala; qormaata ministirii mataa isaa miti. Tokkoon tokkoon gaaffii deebii sirrii fi ibsa qaba.

Bilisaan shaakaluu jalqabaaWaraqaa gaaffii

  • Barattoota kutaa 8ffaa hunda

    Eenyutu fudhata

  • Fakkeenyaa, bara 2012 A.L.I

    Bara qormaataa

  • Gaaffilee 58 deebii waliin

    Kuusaa kana keessa

Gaaffilee qormaata kanaa yaalaa

Deebii banuun dura tokkoon tokkoon gaaffii ofii keessaniin deebisaa. Ibsi gara kutaa kitaaba barnootaa sirriitti waan qajeelchuuf, yeroo gaaffii dogoggortan fuula kam irra deebi'uu akka qabdan ni beektu.

Gaaffii 2

In Ethiopia caustic soda is manufactured in

  1. A.Addis Ababa
  2. B.Zeway
  3. C.Wenji
  4. D.Awash Melkasa
Deebii fi ibsa ilaalaa

Deebii: B Zeway

Maaliif

In Ethiopia, caustic soda (sodium hydroxide) is produced industrially by the Caustic Soda Share Company located in Zeway (Ziway).

Gaaffii 3

Which properties of substance is measurable?

  1. A.color
  2. B.odor
  3. C.taste
  4. D.density
Deebii fi ibsa ilaalaa

Deebii: D density

Maaliif

Density is a quantitative (measurable) physical property, whereas color, odor, and taste are qualitative properties.

Gaaffii 4

A chemical change is characterized by:-

  1. A.energy change is involved
  2. B.no change in composition
  3. C.no change in the mass of the substance is involved
  4. D.the change is easy to reverse
Deebii fi ibsa ilaalaa

Deebii: A energy change is involved

Maaliif

A chemical change always involves an exchange of energy (either absorbed or released) and produces new substances with a change in composition.

Gaaffii 5

What is the formula name of CU2O\mathrm{CU_2O}?

  1. A.Copper (II) oxide
  2. B.copper peroxide
  3. C.Copper (I) oxide
  4. D.copper (III) oxide
Deebii fi ibsa ilaalaa

Deebii: C Copper (I) oxide

Maaliif

In Cu2O\mathrm{Cu_2O}, oxygen has an oxidation state of -2, meaning each copper atom has an oxidation state of +1, which is named Copper (I) oxide.

Gaaffii 6

What does “X” represent in the following reaction? Al2O3+2NaOH→X+H2O\mathrm{Al_2O_3 + 2NaOH \rightarrow X + H_2O}

  1. A.Al(OH)3\mathrm{Al(OH)_3}
  2. B.AlH3\mathrm{AlH_3}
  3. C.Al2O3⋅H2O\mathrm{Al_2O_3 \cdot H_2O}
  4. D.NaAlO2\mathrm{NaAlO_2}
Deebii fi ibsa ilaalaa

Deebii: D NaAlO2\mathrm{NaAlO_2}

Maaliif

When amphoteric aluminum oxide reacts with sodium hydroxide, it forms sodium aluminate and water: Al2O3+2NaOH→2NaAlO2+H2O\mathrm{Al_2O_3 + 2NaOH \rightarrow 2NaAlO_2 + H_2O}.

Gaaffii 7

Substances that take part in a chemical reaction is called?

  1. A.subscript
  2. B.products
  3. C.reactants
  4. D.None of the above
Deebii fi ibsa ilaalaa

Deebii: C reactants

Maaliif

Reactants are the starting substances that enter into and take part in a chemical reaction to form products.

Qormaata guutuu PDF dhaan buufadhaa

Gaaffilee 58 kuusaa kana keessa jiran hunda akka waraqaa qormaataa maxxanfameetti, furtuu deebii ibsa 56 waliin immoo akka faayilii lammaffaatti. Maxxansaa yookiin daataa malee dubbisaa.

Bilisa; herregas hin gaafatu.

Waraqaa gaaffiiFurtuu deebii fi ibsa

Qormaata guutuu sa'aatiin daangeffamee hojjedhaa

Herregni Temari bilisaa qormaata Keemistirii guutuu fi kan waggoota biroo hunda qormaatilee fakkeenyaa sa'aatiin daangeffaman godhee qabxii battalumaa waliin isiniif kenna. Bilbila kamiyyuu irratti, walitti hidhamiinsa laafaa irrattillee ni hojjeta.

Bilisaan shaakaluu jalqabaa
Kun qormaata ministirii kutaa 8ffaa isa dhugaa ti?

Miti. Qormaata fakkeenyaa bara 2012 A.L.I (2020) barattoota qormaata ministiriitiif qopheessuuf haala walfakkaatuun kennameedha. Kuusaan keenya gaaffilee isaa 58 qaba; tokkoon tokkoon isaanii deebii fi ibsa qabu.

Qormaanni ministirii dhugaan eessa jira?

Qormaatileen ministirii kutaa 8ffaa nuti qabnu fuula waraqaalee qormaataa irratti, qormaata fakkeenyaa cinaatti waggaadhaan tarreeffamaniiru.

Qormaata fakkeenyaa kana PDF dhaan buufachuu nan danda'aa?

Eeyyee; bilisas. Waraqaan gaaffii faayilii tokko, furtuun deebii ibsa isaa waliin immoo faayilii biraa ti; kanaaf dursitanii yaaluu dandeessu. Maxxansaa, yookiin yeroo daataan hin jirre irra deebiif bilbila keessan irratti kaa'adhaa.

SeeniHerrega kee bani