cbsenotes • 2022-01-22
CBSE Class 10 Chemistry - Carbon and Its Compounds - Very Short Answer Based Questions on Allotropes (Part -2)Q1: What is the atomic number of a carbon atom?Answer: 6Q2: How many valence electrons are
cbsenotes • 2021-09-08
CBSE Class 8 Chemistry - Metals and Non-Metals (MCQs) Q1: All metals are solids except: (a) Sodium(b) Calcium(c) Mercury(d) CopperQ2: Which of the following metal does not react with dilute
cbsenotes • 2021-09-07
Class 10 Chemistry - Acid- Bases and Salts (Worksheet)Fill in the blanks with suitable words1. An acid is a compound which when dissolved in water gives _________ ions as the only _________ ions.2. Hi
cbsenotes • 2021-04-07
Class 10 - Chemistry - Periodic Classification Of Elements (Very Short Answer Based Questions)Q1: What is the basis of classification of elements in the modern periodic table?Answer: Atomic numberQ2:
cbsenotes • 2021-03-15
CBSE Class 10 - Chemistry - Acids- Bases and Salts - Assertion Reason Based QuestionsAssertion and Reasoning based questions are a bit tricky. You should be able to distinguish whether the assertion i