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

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

2 / 89

The boiling point of NaCl is __________

3 / 89

Atoms react with each other because_________

4 / 89

Identify the compound which is not soluble in water__________

5 / 89

Noble gases are non-reactive because they do not__________

6 / 89

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

7 / 89

The boiling point of water is ____________

8 / 89

Covalent bond is most commonly found between the elements of group_________

9 / 89

The electropositive elements have tendency to _________

10 / 89

Which molecule contains a single covalent bond?

11 / 89

Ice floats on water because____________

12 / 89

During the formation of ionic bond, heat____________

13 / 89

Which type of attractive forces are present in ionic compounds?

14 / 89

The position of an atom in the periodic table indicates its__________

15 / 89

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

16 / 89

The force of attractive between water molecules is__________

17 / 89

Which type of bond is present between NH3 and BF3?

18 / 89

Dative covalent bond is also known as________

19 / 89

The electronegative elements have_________

20 / 89

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

21 / 89

A covalent bond formed by two similar atoms is known as________

22 / 89

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

23 / 89

Triple covalent bond involves how many numbers of electrons?

24 / 89

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

25 / 89

Which of the following is an electron deficient molecule?

26 / 89

Which sign indicates partial positive and partial negative charge?

27 / 89

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

28 / 89

The electronic configuration of sodium atom is ____________

29 / 89

The difference between electronegativities of hydrogen and chlorine________

30 / 89

Which of the following do not show ions in water?

31 / 89

Which of the following is a building block of matter?

32 / 89

The compounds formed by oppositely charges are known as _________

33 / 89

Octet rule is __________

34 / 89

Which of the following is the weakest bond amongst them?

35 / 89

Atom achieve stability by attaining electronic configuration of _________

36 / 89

Hydrogen and helium follow ________

37 / 89

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

38 / 89

Ionic compounds have________

39 / 89

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

40 / 89

The melting point of NaCl is___________

41 / 89

Epoxy adhesives are also known as_________

42 / 89

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

43 / 89

Epoxy adhesives are________

44 / 89

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

45 / 89

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

46 / 89

Intermolecular forces are collectively known as__________

47 / 89

A molecule is formed, when energy of a system___________

48 / 89

The density of ice at 0°C is __________

49 / 89

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

50 / 89

A bond pair in covalent molecules usually has_________

51 / 89

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

52 / 89

The boiling point of alcohol is ____________

53 / 89

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

54 / 89

Attaining two electrons in the valence shell is called__________

55 / 89

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

56 / 89

Metals usually have ______________

57 / 89

The electro-negative value of fluorine is____________

58 / 89

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

59 / 89

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

60 / 89

Metals have the tendency to lose electrons due to ________

61 / 89

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

62 / 89

Transfer of electrons between elements result in________

63 / 89

Epoxy adhesives can be made________

64 / 89

Non-polar compounds are insoluble in_________

65 / 89

All the noble gases have their valence electrons_________

66 / 89

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

67 / 89

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

68 / 89

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

69 / 89

How many covalent bonds does C2H2 molecule have?

70 / 89

Identify which pair has polar covalent bonds________

71 / 89

Nitrogen molecule contain_________

72 / 89

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

73 / 89

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

74 / 89

Mode of reaction depends upon its_________

75 / 89

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

76 / 89

Which type of adhesives is less expensive to produce?

77 / 89

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

78 / 89

The density of water at 0°C  is_________

79 / 89

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

80 / 89

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

81 / 89

Covalent bond involves the _______

82 / 89

Which of the following is an example of covalent compound?

83 / 89

Hydrogen bonding is always found in____________

84 / 89

At room temperature, higher molecular mass covalent compounds are ________

85 / 89

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

86 / 89

The nature of a chemical bond can be predicted by using__________

87 / 89

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

88 / 89

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

89 / 89

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

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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

 

 

 

One comment

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