Day: June 1, 2025
-
Federal Board Class 10th Chemistry (New Book) – Chapter 1: History of Chemistry Exercise Solved
MCQS i. What is the principle of conservation of mass? Options:a) Mass is created during a chemical reactionb) Mass is destroyed during a chemical reactionc) Mass remains constant during a...
-
Hydrogen Bonding MCQs with Answers & Explanations MDCAT practice
1. Which of the following best explains why HF has a higher boiling point than HCl, despite HCl having a higher molecular weight? A) HF has stronger London dispersion forces.B)...
