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Chemistry Notes for Class-9 Chapter-4

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Chemistry Notes for Class-9 Chapter-4

Structure of Molecule 

If you are looking for Chemistry Notes for Class 9 Chapter-4, then you are on right place, and have found the your required result. on this post you can find the all type Solution for chemistry class 9 problems. so read this post and take benefits for your studies and share with your Friends. Chemistry Notes for Class-9 Chapter-4.

Here are important MCQs for Chemistry Notes for Class 9, chapter 4

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Chemistry Ch#04, 9th Class

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1 / 89

Metals usually have ______________

2 / 89

Octet rule is __________

3 / 89

Attaining two electrons in the valence shell is called__________

4 / 89

How many electrons are involved in the formation single covalent bond?

5 / 89

Which of the following is an example of covalent compound?

6 / 89

A bond formed due to complete transfer of electrons from one atom to another is called_____

7 / 89

The boiling point of water is ____________

8 / 89

Hydrogen and helium follow ________

9 / 89

Which group of the periodic table have the tendency to gain electrons _______

10 / 89

The compounds formed by oppositely charges are known as _________

11 / 89

The formation of a chemical bond is a result of dominant net______

12 / 89

Which of the following is an electron deficient molecule?

13 / 89

Which sign indicates partial positive and partial negative charge?

14 / 89

Ice floats on water because____________

15 / 89

Dative covalent bond is also known as________

16 / 89

A bond pair in covalent molecules usually has_________

17 / 89

If the difference of electro-negativities between two elements is more than 1.7, the bond will be__________

18 / 89

Metals have the tendency to lose electrons due to ________

19 / 89

Every atom has a natural tendency to achieve electrons in its valence shell________

20 / 89

The melting point of NaCl is___________

21 / 89

Which of the following do not show ions in water?

22 / 89

The electropositive elements have tendency to _________

23 / 89

A covalent bond formed by two similar atoms is known as________

24 / 89

Atom achieve stability by attaining electronic configuration of _________

25 / 89

A molecule is formed, when energy of a system___________

26 / 89

How many electrons are there in the valence shell of sodium atom?

27 / 89

Which of the following is an example of polar covalent compound?

28 / 89

A bond formed by the mutual sharing of an electron pair is called________

29 / 89

Which molecule contains a single covalent bond?

30 / 89

The mobile electrons are responsible for holding the atoms of metals together, forming a ____

31 / 89

The electro-negative value of fluorine is____________

32 / 89

The nature of a chemical bond can be predicted by using__________

33 / 89

How many valency shell electrons are there in Na+ ion?

34 / 89

The electrons that pair up to form a chemical bond are called__________

35 / 89

Which type of bond is present between NH3 and BF3?

36 / 89

During the formation of ionic bond, heat____________

37 / 89

Which type of attractive forces are present in ionic compounds?

38 / 89

Identify which pair has polar covalent bonds________

39 / 89

Which of the following is the weakest bond amongst them?

40 / 89

The density of water at 0°C  is_________

41 / 89

How many valence shell electrons are there in group-01 elements?

42 / 89

The electronegative elements have_________

43 / 89

The energy required to break the intermolecular forces between one mole of liquid hydrogen chloride molecule to convert it into gas is___________

44 / 89

Epoxy adhesives are________

45 / 89

Transfer of electrons between elements result in________

46 / 89

In metals, the hold of nucleus over the valence shell electrons is weak due to _______

47 / 89

Water has high boiling points as compared to alcohol due to _______

48 / 89

Which of the following is the weakest force among the atoms?

49 / 89

Hydrogen bonding is always found in____________

50 / 89

Covalent bond is most commonly found between the elements of group_________

51 / 89

How many covalent bonds does C2H2 molecule have?

52 / 89

Ionic compounds have________

53 / 89

Metals are good conductors of heat and electricity in solid and liquid state due to________

54 / 89

The boiling point of NaCl is __________

55 / 89

Non-polar compounds are insoluble in_________

56 / 89

Epoxy adhesives are also known as_________

57 / 89

Noble gases are non-reactive because they do not__________

58 / 89

When an electro-negative element combines with electro-positive element the type of bonding is_______

59 / 89

The electro-negativity value of atoms is given by which scale?

60 / 89

The difference between electronegativities of hydrogen and chlorine________

61 / 89

Which type of adhesives is less expensive to produce?

62 / 89

An atom having six electrons in its valence shell will achieve noble gas electronic configuration by_____________

63 / 89

Which force becomes operative, when two atoms come closer to each other?

64 / 89

Malleability is the property by virtue of which a metal can be drawn into________

65 / 89

Mode of reaction depends upon its_________

66 / 89

The position of an atom in the periodic table indicates its__________

67 / 89

Which pair of the molecules has same type of covalent bonds?

68 / 89

The forces responsible for binding the atoms together in a molecule are called_______

69 / 89

Triple covalent bond involves how many numbers of electrons?

70 / 89

Atoms react with each other because_________

71 / 89

A covalent bond formed by the mutual sharing of two pairs of electrons between bonded atom is called__________

72 / 89

All the noble gases have their valence electrons_________

73 / 89

How many lone pairs are present on nitrogen in ammonia molecule?

74 / 89

The boiling point of alcohol is ____________

75 / 89

The valence electrons, which are involved in chemical bonding, are termed as_________

76 / 89

At room temperature, higher molecular mass covalent compounds are ________

77 / 89

Identify the compound which is not soluble in water__________

78 / 89

The force of attractive between water molecules is__________

79 / 89

Nitrogen molecule contain_________

80 / 89

The formation of ionic bond between two ions is due to ________

81 / 89

A bond formed between two non-metals is expected to be_________

82 / 89

Which of the following is a building block of matter?

83 / 89

The electronic configuration of sodium atom is ____________

84 / 89

Intermolecular forces are collectively known as__________

85 / 89

The density of ice at 0°C is __________

86 / 89

Epoxy adhesives can be made________

87 / 89

If the difference of electronegativities between two elements is less than 1.7, the bond will be______

88 / 89

Considering the electronic configuration of atoms which atom with the given atomic number will be the most stable one?

89 / 89

Covalent bond involves the _______

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts all starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book. Chemistry Notes for Class-9 Chapter-4.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, we need chemists. Chemistry Notes for Class-9 Chapter-4.

Chemistry class 9 pdf / Chemistry Notes for Class-9 Chapter-4

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Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity 

                     Pairing Scheme for 2021 – Chemistry 9th Class

 

 

 

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