Heat is a form of energy that gives us the sensation of warmth. Heat always flows from a hot body to a cold body. Temperature is the measure of the hotness or coldness of a body. This is a blog containing all the questions and answers, solutions, solved exercises, solved numerical pr…

Class - 9 | Trigonometry | Solutions Trigonometry is a chapter of Class 9 that most of the students must be learning in 9 for the first time in their entire life. Though it is their first time reading this chapter, they might have already seen the exercises and solutions of their seniors. They must have gone through the important t-…

Unit-09   |  Acid Base and Salt   |  Class-10 Overview: Acids are those inorganic substances that give hydrogen ions when dissolved in aqueous solution. Bases are the metallic oxides or hydroxides. Salts are those neutral substances formed by the partial or complete replacement of hydrogen of acids by the metals of bases.  Acids are…

Unit-11   |  Metals   |  Class-10 Overview:  Metals are those elements (except hydrogen) that form electropositive ions by losing their valence electrons. Minerals are those naturally occurring chemical substances containing metals in some amount. Ores are those minerals from which metals can be extracted profitably and conveniently…