Higher Chemistry - Unit 4 - Research

What does the following hazard symbol represent?

• Corrosive
• Harmful / irritant
• Respiratory sensitiser
• Toxic

What does the following hazard symbol represent?

• Corrosive
• Harmful / irritant
• Respiratory sensitiser
• Toxic

What does the following hazard symbol represent?

• Corrosive
• Health hazard
• Respiratory sensitiser
• Toxic

What does the following hazard symbol represent?

• Corrosive
• Harmful / irritant
• Serious health hazard
• Toxic

What piece of apparatus does the following diagram represent?

• Volumetric flask
• Measuring cylinder
• Conical flask
• Burette

What piece of apparatus does the following diagram represent?

• Volumetric flask
• Measuring cylinder
• Conical flask
• Burette

What piece of apparatus does the following diagram represent?

• Volumetric flask
• Measuring cylinder
• Conical flask
• Burette

What piece of apparatus does the following diagram represent?

• Volumetric flask
• Measuring cylinder
• Conical flask
• Burette

A student carried out an experiment to investigate how the conductivity of an ionic solution (mA) varies with concentration (mol l⁻¹). Which of the following should be discarded as a "rogue" point?

• A
• B
• C
• D

Sodium hydroxide solution (0.1 mol l⁻¹) was reacted with vinegar in a titration experiment.The experiment was repeated several times and the following results were obtained: Which of the following shows the correct volume for the average titre?

• 23.55 cm³
• 23.63 cm³
• 23.75 cm³
• 23.80 cm³