Join WhatsApp ChannelDaily MCQs & Exam Updates
Chemistry Medium FPSC Uploaded: 04 Sep 2026

Which compound is commonly known as washing soda?

  • A Sodium sulfate
  • B Sodium carbonate
  • C Sodium bicarbonate
  • D Sodium chloride
Correct Answer: Option B — Sodium carbonate
Explanation:
Washing soda refers to sodium carbonate (Na2CO3), a strongly alkaline compound used industrially in glass manufacturing, water softening, and as a cleaning agent due to its ability to remove grease.
0 views Back to Chemistry
Submitted by: PaperMCQs
Related MCQs