Chemistry Practical Grade 10 Jun 2026

| | The Grade 10 Solution | | :--- | :--- | | Parallax error | Always keep your eye level with the meniscus or the balance reading. | | Rough titration | Slow down near the end point. Add the last few drops drop by drop . | | No precipitate formed | Did you heat the solution? Did you add the reagent in the right order? Check your flow chart. | | Limewater didn't turn milky | You likely used a delivery tube that wasn't airtight, or you didn't bubble the gas long enough. | | Spilled chemicals | Do not panic. Tell the teacher. For acids: neutralize with sodium bicarbonate before wiping. |

Some advanced Grade 10 curricula introduce —the precise measuring of volumes to find unknown concentrations. While Junior Certifications keep it simple, you might practice using a pipette and burette with acid-base indicators (like phenolphthalein, which turns pink in bases). chemistry practical grade 10

Fe(s)+CuSO4(aq)→FeSO4(aq)+Cu(s)cap F e open paren s close paren plus cap C u cap S cap O sub 4 open paren a q close paren right arrow cap F e cap S cap O sub 4 open paren a q close paren plus cap C u open paren s close paren | | The Grade 10 Solution | |

After 20 minutes, remove the iron nail and compare the color of the solutions in both test tubes, as well as the color of the nails. Observations: Initial State Final State Solution Color Bright Blue Light Green Iron Nail Color Greyish/Shiny Silver Reddish-brown coating | | No precipitate formed | Did you heat the solution

Don't fear the practical. Embrace the mess, trust the method, and always, always wash your hands before you leave the lab.

). The reddish-brown deposit on the iron nail is . This confirms that iron is more reactive than copper and has displaced it from the solution. General Write-Up Structure for Any Experiment