Worksheet: Chemical and Physical Processes

In this worksheet, we will practice identifying reactions such as neutralizations and oxidations and physical processes such as melting and condensation.

Q1:

Which type of process is represented by the following equation:

  • ADecomposition
  • BCombustion
  • CFreezing
  • DMelting
  • ESublimation

Q2:

Which type of process is represented by the following equation:

  • AHydrolysis
  • BPrecipitation
  • CCondensation
  • DAcid-base reaction
  • EElimination

Q3:

Which of the following is an oxidation-reduction reaction?

  • A P H + C H C l C H P H + H C l 3 2 5 2 5 2
  • B 3 K O H + H P O K P O + 3 H O 3 4 3 4 2
  • C P O + H S O P O ( O H ) + S O 4 1 0 2 4 4 9 2 3
  • D K P + 2 O K P O 3 2 3 4
  • E P C l + 3 C H O H ( C H O ) P O H + 2 H C l + C H C l 3 2 5 2 5 2 2 5

Q4:

The dissolution of silver in nitric acid is an example of which type of chemical reaction?

  • AHydrogenation
  • BAcid-base reaction
  • CDecomposition
  • DOxidation-reduction
  • EHydrolysis

Q5:

Which type of process is represented by the following equation:

  • AAcid-base reaction
  • BDecomposition
  • CDisplacement
  • DOxidation-reduction
  • EElimination

Q6:

Which type of process is represented by the following equation:

  • AOxidation-reduction
  • BIonization
  • CAddition
  • DAcid-base reaction
  • EElimination

Q7:

Which type of process is represented by the following equation:

  • ADissolution
  • BAcid-base reaction
  • CDisplacement
  • DOxidation-reduction
  • ECondensation

Q8:

Which type of process is represented by the following equation:

  • ACondensation
  • BOxidation-reduction
  • CDecomposition
  • DPrecipitation
  • EIonization

Q9:

Which type of process is represented by the following equation:

  • ADisplacement
  • BHydrolysis
  • CBoiling
  • DDecomposition
  • EElimination

Q10:

Which type of process is represented by the following equation:

  • ADisplacement
  • BReduction
  • CCondensation
  • DCombustion
  • EDecomposition

Q11:

Which of the following is a chemical property rather than a physical property?

  • AMelting point
  • BColor
  • CBoiling point
  • DReactivity
  • EDensity

Q12:

Which of the following is a physical property rather than a chemical property?

  • ACombustion
  • BReactivity
  • CpH
  • DDensity
  • ERedox potential

Q13:

Which of the following is a chemical change rather than a physical change?

  • ADissolving of sugar in water
  • BCondensation of steam
  • CMelting of gold
  • DBurning of petrol
  • EMixing chocolate syrup with milk

Q14:

Which of the following is a physical change rather than a chemical change?

  • ASouring of milk
  • BBurning of petrol
  • CExplosion of a firecracker
  • DCondensation of steam
  • EIron rusting

Q15:

Which of the following best describes a physical change?

  • AA change which is reversible
  • BA change which affects the chemical composition of a substance
  • CA change which is irreversible
  • DA change which affects the form or state of a substance, but not its chemical composition
  • EWhen a substance boils

Q16:

Which of the following best describes a chemical change?

  • AA change that is irreversible
  • BA change that is reversible
  • CA change that affects the form or state of a substance but not its chemical composition
  • DA change that affects the chemical composition of a substance
  • EWhen a substance burns

Q17:

Which of the following is a chemical change rather than a physical change?

  • AMixing sugar and salt
  • BWater freezing
  • CSmashing a glass
  • DSalt dissolving in water
  • ESugar dissolving in water

Q18:

Which of these processes is not meant to happen inside a petrol engine?

  • AEvaporation
  • BCombustion
  • CCompression
  • DMelting
  • EIgnition

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