MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100
Pipette is a common laboratory apparatus. Explain what it is used for.
Important Questions on In the Lab
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Measuring cylinder is a common laboratory apparatus. Explain what it is used for.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe the condenser and explain what it is used for.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe how to carry out the procedure of simple distillation.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe how to carry out the procedure of fractional distillation.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe the procedure of paper chromatography.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Describe the procedure of titration.
EASY
Upper Secondary: IGCSE
IMPORTANT
A sample of potassium salt was contaminated with potassium chloride. The tests were carried out on the contaminated sample.
TEST: An equal volume of barium nitrate solution is added to a solution of the solid. A precipitate forms. What colour will the precipitate be?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A sample of potassium salt was contaminated with potassium chloride. The tests were carried out on the contaminated sample.
TEST: An equal volume of barium nitrate solution is added to a solution of the solid. A precipitate forms. Name the precipitate and explain why it forms?
