Chemistry: Reactions (Multiple Choice)

What is the process of separating materials based on the size of their particles?

• Crystallisation

• Distillation

• Filtration

• Chlorination

What is the process of disinfecting water?

• Chlorination

• Crystallisation

• Distillation

• Fractional distillation

What is the process of forming crystals by cooling a saturated solution?

• Crystallisation

• Filtration

• Chlorination

• Distillation

What is the process of purifying a liquid by heating it to create vapor and then cooling the vapor to get the liquid?

• Crystallisation

• Distillation

• Filtration

• Chlorination

What is the method of separating a liquid mixture into its individual components called?

• Condensation
• Fractional distillation

• Filtration
• Evaporation

What is the measure of how quickly a substance vaporises called?

• Condensation point
• Evaporation rate
• Stability

• Volatility

Which reaction produces alkenes?

• Reduction

• Substitution

• Oxidation

• Cracking

What is the transfer of electrons between atoms called?

• Oxidation-reduction (redox) reaction
• Electron exchange
• Electron donation
• Electron sharing

What does not take part in chemical reactions but conducts electricity?

• Electrolysis

• Electrolyte

• Inert electrode

• Cathode

In which electrode does reduction occur?

• anode
• electrolyte
• cathode
• circuit