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Carbon and its Compounds-MCQs
Understanding carbon and its vast family of compounds is essential to grasp the fundamentals of organic chemistry at the Class X level. This chapter explains how carbon's tetravalency and catenation m...
Carbon and its Compounds-Notes
BONDING IN CARBON – THE COVALENT BOND A covalent bond is formed when two atoms share one or more pairs of electrons to ...
Metals and Non-metals-Exercises
Q1. Which of the following pairs will give displacement reactions? \(\ce{NaCl}\) solution and copper metal \(\ce{MgCl2}\) solution and aluminium metal \(\ce{FeSO...
Metals and Non-metals-QnA
This collection brings together all the important questions and answers from NCERT Class X Science Chapter 3 — Metals and Non-Metals. Each explanation has been written in a simple, student-friendly ...
Metals and Non-metals-True/False
Welcome to the True/False questionnaire for NCERT Class 10 Science Chapter 3 "Metals and Non-Metals." This set of thoughtfully crafted statements helps students easily recall foundational concepts, cl...
Metals and Non-metals-MCQs
Understanding the properties, reactions, and applications of metals and non-metals is a key part of NCERT Class X Science. To help students strengthen conceptual clarity and exam readiness, these 50 h...
Metals and Non-metals-Notes
Metals Metals are defined as opaque, lustrous, fusible, ductile substances that conduct heat and electricity ...
Exercise-12.1
Q1. A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 (in years) worldwide, found the following figures (in %): ...
STATISTICS-True/False
Mastering statistics is a crucial skill for every Class 9 student as it strengthens data handling, presentation, and analytical abilities. This comprehensive set of 25 True/False questions for NCERT M...
STATISTICS-MCQS
Statistics in Class 9 Mathematics (Chapter 12) lays the foundation for understanding how data is collected, organized, and represented using different graphical methods. In this chapter, students lear...
STATISTICS-Notes
Graphical Representation of Data In statistics, we often deal with large sets of numbers that can be difficult to underst...
Exercise-11.4
Q1. Find the volume of a sphere whose radius is (i) 7 cm (ii) 0.63 m Solu...