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Contents in Disha Ncert Xtract Chemistry Pdf
In this pdf book, There are a total of 30 chapters. These names are the following:
- Some Basic Concepts of Chemistry
- Structure of Atom
- Classification of Elements and Periodicity in Properties
- Chemical Bonding and Molecular Structure
- States of Matter
- Thermodynamics
- Equilibrium
- Redox Reactions
- Hydrogen
- The s-Block Elements
- The p-Block Elements (Group 13 and 14)
- Organic Chemistry – Some Basic Principles and Techniques
- Hydrocarbons
- Environmental Chemistry
- The Solid State
- Solutions
- Electrochemistry
- Chemical Kinetics
- Surface Chemistry
- General Principles and Processes of Isolation of Elements
- The p-Block Elements (Group 15, 16, 17 and 18)
- The d-and f-Block Elements
- Coordination Compounds
- Haloalkanes and Haloarenes
- Alcohols, Phenols and Ethers
- Aldehydes, Ketones & Carboxylic acids
- Amines
- Biomolecules
- Polymers
- Chemistry In Everyday Life
Important Questions of Chemistry
Which gas is responsible for the “rotten egg” smell and is commonly added to natural gas for odor detection?
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Hydrogen sulfide
Answer: D) Hydrogen sulfide
What is the chemical formula for ozone, a molecule found in the Earth’s stratosphere that protects us from ultraviolet radiation?
A) O2
B) CO2
C) H2O
D) O3
Answer: D) O3
Which chemical element is the primary component of the Earth’s core?
A) Iron
B) Oxygen
C) Silicon
D) Hydrogen
Answer: A) Iron
What is the chemical symbol for silver?
A) Ag
B) Si
C) Au
D) S
Answer: A) Ag
What is the process of one substance being dissolved into another called?
A) Fusion
B) Sublimation
C) Evaporation
D) Dissolution
Answer: D) Dissolution
Which of the following elements is a halogen?
A) Neon
B) Argon
C) Fluorine
D) Calcium
Answer: C) Fluorine
What is the chemical formula for hydrogen peroxide?
A) H2O2
B) CO2
C) NaCl
D) CH4
Answer: A) H2O2
What is the process by which an atom gains or loses electrons and becomes charged called?
A) Fusion
B) Ionization
C) Sublimation
D) Precipitation
Answer: B) Ionization
Which of the following is a noble gas used in lighting and signs?
A) Krypton
B) Calcium
C) Potassium
D) Sodium
Answer: A) Krypton
What is the chemical symbol for phosphorus?
A) P
B) Ph
C) Ps
D) Po
Answer: A) P
What is the chemical formula for methane hydrate, a solid form of methane found in deep-sea sediments?
A) CH4
B) CO2
C) H2O
D) NH3
Answer: A) CH4
Important MCQs of Chemistry
Which gas is used in fire extinguishers to displace oxygen and smother fires?
A) Carbon dioxide
B) Oxygen
C) Hydrogen
D) Nitrogen
Answer: A) Carbon dioxide
What is the chemical formula for carbon monoxide, a toxic gas produced by incomplete combustion?
A) CO
B) CO2
C) CH4
D) C2H6
Answer: A) CO
What is the chemical symbol for potassium?
A) Pt
B) P
C) K
D) Po
Answer: C) K
Which type of bond involves the sharing of electrons between atoms?
A) Ionic
B) Covalent
C) Metallic
D) Hydrogen
Answer: B) Covalent
What is the chemical formula for sulfur dioxide, a gas produced by burning sulfur-containing fuels?
A) SO2
B) CO2
C) H2S
D) NO2
Answer: A) SO2
What is the chemical symbol for lead?
A) Ld
B) Pb
C) Le
D) Pd
Answer: B) Pb
Which of the following is a noble gas used in neon signs?
A) Nitrogen
B) Helium
C) Oxygen
D) Fluorine
Answer: B) Helium
What is the chemical formula for acetic acid, the main component of vinegar?
A) H2O
B) HNO3
C) CH3COOH
D) HCl
Answer: C) CH3COOH
Which element is the most abundant in the universe?
A) Carbon
B) Hydrogen
C) Oxygen
D) Helium
Answer: B) Hydrogen
Details of the pdf of Disha Ncert Xtract Chemistry
| Book Name | Disha Objective Ncert Xtract Chemistry |
| Author Name | Disha Experts |
| Pdf Language | English |
| Pdf Size | 10 Mb |
| Total Pages | 555 |
Download the pdf of Disha Ncert Xtract Chemistry
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