Solutions Pdf | Pearson Expanded Universal Science Class 8

Yes – many sites like Vedantu or Tiwari Academy offer free NCERT Class 8 Science solutions, but they won’t match Pearson’s extra questions.

Why do fire extinguishers not use water for electrical fires? Pearson solution: Water conducts electricity, increasing the risk of electric shock. Instead, CO₂ or dry powder extinguishers are used. pearson expanded universal science class 8 solutions pdf

Disclaimer: This post does not host or link to any pirated PDFs. We encourage legal and ethical study practices. Yes – many sites like Vedantu or Tiwari

Published on: [Current Date] Reading Time: 4 minutes Instead, CO₂ or dry powder extinguishers are used

Having a solutions PDF ensures you don’t miss such precise, book-aligned answers. | Pros | Cons | |------|------| | Quick answer lookup | Illegal if copyrighted | | Helpful for revision | Often low-quality scans | | Can be used offline | Risk of malware |

A person uses a candle in a closed room. Why does he feel suffocation after some time? Expected Pearson-style answer: Combustion consumes oxygen (O₂) and produces carbon dioxide (CO₂). In a closed room, oxygen levels drop, and CO₂ increases, leading to suffocation. Unlike plants, humans cannot use CO₂ for respiration.