Physics · Physical and Chemical Changes
Which of the following is the BEST example of an 'authentic task' to assess students' practical understanding related to preventing chemical changes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Design a small chamber or method that effectively prevents the rusting of iron nails✓
- 2Create a filtration mechanism to reduce salinity levels in sea water
- 3Observe and record the color changes on an iron nail when placed in a copper sulphate solution
- 4Create an insulated chamber that can maintain low temperatures to slow down physical changes
Correct answer
Design a small chamber or method that effectively prevents the rusting of iron nails
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Physical and Chemical Changes MCQs →Want more practice questions on Physical and Chemical Changes?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Physical and Chemical Changes