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Showing posts with label chemicalbonding. Show all posts
Showing posts with label chemicalbonding. Show all posts

CHEMICAL BONDING BASICS CLASS 9 CLASS 10 ICSE CBSE IONIC COVALENT BONDS | HINDI ME FOR

 CHEMICAL BONDING BASICS CLASS 9 ICSE CBSE IONIC COVALENT BONDS | HINDI ME


 LECTURENOTES





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ICSE | CLASS 10 CHEMISTRY | CHAPTER 2 CHEMICAL BONDING| MCQs | Semester 1 || 2021 1.

 

 ICSE | CLASS 10 CHEMISTRY | CHAPTER 2 CHEMICAL BONDING| MCQs | Semester 1 || 2021 1.

 

1. A reducing agent is a substance which can (a) Accept electron (b) Donate electrons (c) Accept protons (d) Donate protons 

2. In NH^+4 all the four bonds are..... 

3. Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond) (a) Ammonia (b) Ammonium chloride (C) Sodium hydroxide (d) Calcium chloride 

4. Due to the presence of strong electrostatic forces of attraction between ions, ionic compounds. (a) Have high melting and boiling points (b) Conduct electricity in solid state (C) Dissolve in kerosene (d) All of the above 

5. Ionic bond is present in which of the following species:(b) CHC13 (C) NaBr (d) CCl4 (a) O2 

6. The type of bonding in HCl molecule is: (a) Polar covalent bond (b) Pure covalent (C) Non-polar(d) Hydrogen bonding 

7. A polar covalent bond will be formed in which one of these pair of atoms:b) H2 (C) Cl2 (d) 02 (a) HF 

8. Which of the following is a common characteristic of a covalent compound ? (a) high melting point (b) consists of molecules (c) always soluble in water (d) conducts electricity when it is in the molten state 

9. Elements which gains electrons is known as: (a) Electropositive elements (b) Electronegative elements 

10. Capacity of an atom to attract the shared pair of electron to itself is called...... 


 

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CHEMICAL BONDING - IONIC AND COVALENT

 CHEMICAL BONDING - IONIC AND COVALENT

 

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TIMESTAMP
00:00 Introduction
01:15 Ionic Bonding (NaCl) Sodium Chloride
08:33 Formation of MgCl2 Magnesium Chloride
13:54 Formation of CaCl2 Calcium Chloride
19:42 Formation of  Na2O Sodium Oxide
27:31 Covalent bonding
29:35  Formation of H2 Hydrogen gas
37:29  Formation of Cl2 Chlorine Gas
39:00 Formation of O2 Oxygen Gas
43:12 Formation of N2 Nitrogen Gas
48:57 Formation of HCl Hydrogen Chloride
50:15 Formation of CH4 Methane
51:56 Formation of NH3 Ammonia
53:16 Formation of H2O Water