chemistry

Descripción

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Yahya AbdelAal
Test por Yahya AbdelAal, actualizado hace más de 1 año
Yahya AbdelAal
Creado por Yahya AbdelAal hace más de 9 años
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Resumen del Recurso

Pregunta 1

Pregunta
What is an acid?
Respuesta
  • substance that contains hydrogen ions which it can give to another substance.
  • A substance that contain hydrogen ions
  • None of the above
  • All of the above

Pregunta 2

Respuesta
  • A volumetric pipette
  • A graduated burrette
  • A graduated pipette
  • A volumetric burrette

Pregunta 3

Pregunta
What is the equation for metal carbonate and and acid?
Respuesta
  • Metal carbonate+acid=salt+water+calcium
  • Metal carbonate+acid=salt+hydrogen
  • Metal carbonate+acid=salt+water
  • Metal carbonate+acid=salt+water+carbon dioxide

Pregunta 4

Pregunta
which method includes a soluble salt and an insoluble salt?
Respuesta
  • Precipitation
  • Titration
  • Excess solid method
  • None of the above

Pregunta 5

Pregunta
which 2 compounds are insoluble?
Respuesta
  • potassium chloride and sodium sulphide
  • silver nitrate and barium chloride
  • sodium nitrate and lead nitrate
  • silver chloride and lead chloride

Pregunta 6

Pregunta
What is the formula for nitrates
Respuesta
  • (NO3)1-
  • (OH)1-
  • (CO3)2-
  • (NH4)1

Pregunta 7

Pregunta
What is the formula for Magnesium Bromide
Respuesta
  • MgBr2
  • MgBr
  • MgO
  • Pb(NO3)2

Pregunta 8

Pregunta
The elements were first put in the periodic table by a Russian scientist called........................
Respuesta
  • Mendeleev
  • Abram
  • Borya
  • Darya
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