Chemistry ATP Quiz

Descripción

GCSE Chemistry Test sobre Chemistry ATP Quiz, creado por lisawinkler10 el 09/05/2015.
lisawinkler10
Test por lisawinkler10, actualizado hace más de 1 año
lisawinkler10
Creado por lisawinkler10 hace más de 9 años
72
1

Resumen del Recurso

Pregunta 1

Pregunta
Which two are examples of oxidising agents?
Respuesta
  • Acidified Potassium Manganate(VII)
  • Aqueous Potassium Iodide
  • Anhydrous Calcium Chloride
  • Concentrated Sulphuric Acid
  • Acidified Potassium Dichromate(VI)

Pregunta 2

Pregunta
What is the colour change for the oxidising agent Acidified Potassium Manganate(VII)?
Respuesta
  • (purple to colourless)
  • (orange to green)
  • (green to orange)
  • (white to blue)

Pregunta 3

Pregunta
Copper(II) chloride and copper(II) carbonate are blue
Respuesta
  • True
  • False

Pregunta 4

Pregunta
What temperature is optimum for enzymes in yeast in fermentation? (degrees Celsius)
Respuesta
  • 37
  • 60
  • 62
  • 20
  • 35

Pregunta 5

Pregunta
What is a bung used for in fermentation?
Respuesta
  • let Carbon Dioxide out and prevent entry of Oxygen
  • let Oxygen out and prevent entry of Carbon Dioxide

Pregunta 6

Pregunta
Tick all reasons why the fermentation reaction might stop.
Respuesta
  • An excess in conc. of alcohol
  • The yeast dies
  • Glucose finishes up
  • Nepal earthquake

Pregunta 7

Pregunta
What might you use to cool the gases in fractional distillation by absorbing heat from them
Respuesta
  • Condenser
  • Glass beads
  • Liquifying column
  • Copper wire

Pregunta 8

Pregunta
Which indicator is yellow at a low pH and blue at a high pH?
Respuesta
  • Universal Indicator
  • Methyl Orange
  • Phenolphtalein
  • Bromothymol

Pregunta 9

Pregunta
What is the colour change when testing for water with Anhydrous Cobalt(II) Chloride
Respuesta
  • white to blue
  • blue to pink
  • pink to green
  • blue to colourless

Pregunta 10

Pregunta
Complete the equation: Acid + Carbonate →
Respuesta
  • Salt + Water + Carbon Dioxide
  • Salt + Carbon Dioxide
  • Salt + Water + Carbon
  • Water + Carbon Dioxide

Pregunta 11

Pregunta
Complete the equation: Acid + Alcohol →
Respuesta
  • Ester + Water
  • Ester + Hyrdogen
  • Alkene + Hydrogen
  • Alkene + Water
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