Category: Class 10 Science

NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021

Discussion Forum Latest Questions

Sandeep Jha

The transformation of a solid substance directly into vapor state without changing into liquid is called sublimation. Sublimation is a phase transition where a solid substance bypasses the liquid phase and converts into vapor upon heating, or vapor converts directly ...

Sandeep Jha

Cryogenic testing is conducted at extremely low temperatures, typically around -196 °C. These temperatures are necessary for handling and testing materials and equipment that are intended for use in cryogenic applications, such as rocket engines, superconductors, and other low-temperature technologies.

Sonal Chauhan

The most appropriate color combination of umbrellas for protection from the sun is White above and black below. White reflects sunlight and heat, keeping the area beneath the umbrella cooler, while black absorbs heat, preventing it from reaching the user. ...