Užduočių lapas tema Chemija slaugos stojamiesiems egzaminams su atsakymais

Nemokamas spausdinamas užduočių lapas tema Chemija slaugos stojamiesiems egzaminams: 8 uždavinių nuo lengvų iki egzamino lygio, su atsakymais. Atsispausdinkite arba išsaugokite kaip PDF.

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Vardas: ____________________   Data: ____________

1.Lengvas

What is oxidation, in terms of electrons?

  1. ALoss of protons
  2. BGain of electrons
  3. CLoss of electrons
  4. DGain of neutrons
2.Lengvas

What is the change from a liquid to a solid called?

  1. AFreezing
  2. BEvaporation
  3. CCondensation
  4. DMelting
3.Lengvas

What is the term for anything that has mass and takes up space?

  1. AHeat
  2. BForce
  3. CEnergy
  4. DMatter
4.Vidutinis

At 20 °C, about 36 g of NaCl dissolves in 100 g of water. If 50 g of NaCl is stirred into 100 g of water at 20 °C, what happens?

  1. AAbout 36 g dissolves and about 14 g stays undissolved
  2. BNone of the salt dissolves
  3. CAll 50 g dissolves
  4. DAbout 14 g dissolves and about 36 g stays undissolved
5.Vidutinis

Which substance is a non-electrolyte when dissolved in water?

  1. ASodium chloride
  2. BPotassium chloride
  3. CGlucose
  4. DHydrochloric acid
6.Vidutinis

Koks yra chlorido jono krūvis?

  1. A−2
  2. B+7
  3. C−1
  4. D+1
7.Sunkus

A nurse wipes a patient's arm with an alcohol swab and the patient says the skin feels cold. What explains this?

  1. AThe alcohol is stored at a much lower temperature than the room
  2. BThe alcohol absorbs heat from the skin as it evaporates
  3. CThe alcohol blocks the skin's nerve endings for warmth
  4. DThe alcohol reacts with the skin in an endothermic chemical reaction
8.Sunkus

Water is split as 2H₂O → 2H₂ + O₂. What volume of O₂ at STP (0 °C and 1 atm) forms from 2 mol of water?

  1. A44,8 L
  2. B11,2 L
  3. C22,4 L
  4. D67,2 L

Atsakymai

  1. 1. C · Loss of electrons
  2. 2. A · Freezing
  3. 3. D · Matter
  4. 4. A · About 36 g dissolves and about 14 g stays undissolved
  5. 5. C · Glucose
  6. 6. C · −1
  7. 7. B · The alcohol absorbs heat from the skin as it evaporates
  8. 8. C · 22,4 L

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