Chemistry Notes for Class-10 Chapter-12

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Hydrocarbons:

Chemistry Notes for Class 10

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Chemistry Ch#12, 10th Class

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1 / 96

Methane is also called ______

2 / 96

Oxidation of alkenes produce______

3 / 96

Banaspati Ghee is also called______

4 / 96

In dry cleaning, which chemical is used?

5 / 96

Addition of hydrogen is called _________

6 / 96

Banana when ripped produces gas________

7 / 96

The order of reactivity of hydrogen halides with alkenes is__________

8 / 96

Which of the following is not an organic solvent?

  • C2H5OH
  • CHCl3
  • CCl4
  • H2O

Select Correct Option

9 / 96

Which is used as Anti-freezer?

10 / 96

Ethylene oxide is used as _________

11 / 96

Those Hydrocarbons having high molecular mass are___________

12 / 96

The molecular formulae of the first three members of the alkane hydrocarbons are CH4, C2H6 and C3H8. What is the molecular formula for the eighth alkane member, octane, which is found in petrol?

  • C8H8
  • C8H16
  • C8H18
  • C8H20

Which Option is Correct ?

13 / 96

Which is present 85% in natural gas?

14 / 96

The reduction of alkyl halides takes place in the presence of___________

15 / 96

The density of alkane increases with the increase of _________

16 / 96

The end product of oxidation of acetylene is_______

17 / 96

Incomplete combustion of alkanes produces __________

18 / 96

Alcohol is soluble in water due to ________

19 / 96

Molecular formula of butyne is_____________

  • C4H6
  • C3H4
  • C4H7
  • C4H8

Which Option is Correct ?

20 / 96

Alkanes give reaction only _____

21 / 96

The general formula of alkynes is_________

  • CnH2n
  • CnH2n+2
  • CnH2n-2
  • CnH2n+1

Which Option is Correct ?

22 / 96

Oxidation of ethene with KMnO4 produces______

23 / 96

Which one of the following is a substitution reaction?

24 / 96

Which of the following property is not present in hydrocarbons?

25 / 96

Which of the following is not an example of open chain hydrocarbon?

  • CH4
  • C3H8
  • C2H6
  • C6H6

Select Correct Option

26 / 96

Condensed formula of ethane is________

  • C3H8
  • C2H6
  • H3CCH3
  • None of These

Which Option is Correct ?

27 / 96

Dehydration of alcohols can be carried out with______

  • NaOH
  • KOH
  • H2SO4
  • HCl

Which Option is Correct ?

28 / 96

Due to which property alkane are used as fuel___________

29 / 96

Alkanes are least reactive compounds because they are____________

30 / 96

Carbon tetra chloride is used in_______

31 / 96

Dehydration means removal of__________

32 / 96

Dehydrohalogenation takes place in the presence of_____________

33 / 96

Benzene is formed by the polymerization of_______________

34 / 96

In shoe polishes, which chemical is used?

35 / 96

Alkenes is also called ______

36 / 96

A solution of bromine in water having colour________

37 / 96

Alkenes are prepared from alcohols by a process called_________

38 / 96

The example of rubbers is ________

39 / 96

Which is the simplest alkane?

  • CH4
  • C3H8
  • C2H2
  • C2H4

Which Option is Correct ?

40 / 96

Which of the following is not alcohol?

  • C2H5OH
  • C3H7OH
  • CH3OH
  • Ca(OH)2

Select Correct Option

41 / 96

Which of the following has higher energy?

42 / 96

Alkanes do not react in__________

43 / 96

Chloroform is used for__________

44 / 96

The formula of methane _______

  • CH3
  • CH4
  • CH2
  • C2H5

Select Correct Option

45 / 96

Some orchids attract bees for pollination by producing_________

46 / 96

Traces of acetylene are present in coal gas about ___________

47 / 96

Halogenation of methane produces following valuable chemical compounds used as solvents except_______

48 / 96

Alkenes are insoluble in___________

49 / 96

Which of the following does not occur free in nature?

50 / 96

Which is the characteristics property of alkanes?

51 / 96

Number of bonds present in methane________

52 / 96

Amorphous forms of carbons are______

53 / 96

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

  • CH4
  • C10H20
  • C2H4
  • C2H2

(Which Option is Correct)

54 / 96

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of_____

55 / 96

Carbon black is used in the manufacture of_______

56 / 96

Alkanes are also called ________

57 / 96

If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one_________

58 / 96

Traces of acetylene are present in coal gas about_________

59 / 96

paraffins means________

60 / 96

One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What formula could be of the X.

  • C3H8
  • C6H12
  • C4H10
  • C7H16

Which Option is Correct?

61 / 96

Alkenes are produced in large amounts by cracking of_________

62 / 96

Halogenation of alkanes in the presence of diffused sunlight takes place ________

63 / 96

Alkynes being more reactive than __________

64 / 96

Which of the following gas is used in warfare?

65 / 96

Detergents are the sodium salts of__________

66 / 96

Due to increase in molar mass which property increases?

67 / 96

Which compound is used for welding process?

68 / 96

Which of the following is a synthetic fiber?

69 / 96

Dehydrohalogenation of alkyl halides take place in the presence of __________

70 / 96

Which one is the formula of chloromethane?

  • CH2Cl2
  • CCl4
  • CHCl3
  • CH3Cl

Which Option is Correct ?

71 / 96

Which one of the following is more reactive?

72 / 96

Which gas creates suffocation and causes death?

  • CO
  • CO2
  • SO3
  • SO2

Which Option is Correct ?

73 / 96

Glyoxal is oxidize into_________

74 / 96

Ethene reacts with H2SO4 at temperature of_________

75 / 96

A hydrocarbon has molecular formula C8H14. What is the molecular formula of the next member of the same homologous series.

  • C9H18
  • C9H16
  • C9H20
  • C9H12

Which Option is Correct?

76 / 96

Chemical formula of chloroform is________

  • CH2Cl2
  • CH3Cl
  • CHCl3
  • CCl4

Which Option is Correct ?

77 / 96

Incomplete combustion of alkanes produces________

78 / 96

Alkyne forms____________

79 / 96

Dehalogenation of tetrahalides produces acetylene. This reaction takes place in the presence of___

80 / 96

Which one of these is a saturated hydrocarbon?

  • C2H4
  • C3H6
  • C4H8
  • C5H12

Which Option is Correct?

81 / 96

Which of the following is not a hydrocarbon?

  • Methane (CH4)
  • Ethane(C2H6)
  • Water (H2O)
  • Ethyne (C2H2)

Which Option is Correct ?

82 / 96

What is the most necessary condition for the reaction of CH4 with halogen?

83 / 96

Di-methy acetylene is also called___________

84 / 96

Carbon has valency_______

85 / 96

Which one of the following is a substitution reaction?

86 / 96

Which of the following is not a function of chloroform?

87 / 96

Ethylene is present in natural gas sometimes to the extent of________

88 / 96

The Hydrocarbons having double bond are called _________

89 / 96

Formula of nascent hydrogen is_______

90 / 96

Methane forms natural gas about___________

91 / 96

Number of bonds in propene is ______________

92 / 96

Substitution reaction is the characteristics of__________

93 / 96

The compound having at least one benzene ring are called________

94 / 96

The alkanes consisting of C5 to C10 are__________

95 / 96

Alkanes having carbon range in liquid like ______

  • C4 to C6
  • C7 to C10
  • C8 to C10
  • Both C4 to C6 & C7 to C10

Select Correct Option

96 / 96

The formula of oxalic acid is___________

  • (COOH)2
  • HCOOH
  • CH3COOH
  • COOH

Select Correct Option

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abdullah00:47:10 Apr 01, 202466%
MUHAMMAD10:41:22 Feb 07, 202469%
rAiMaA>>11:49:56 Jan 31, 202486%
RH>>11:39:04 Jan 31, 202468%
RH11:07:29 Jan 31, 202457%
zurriii10:26:48 Jan 08, 20240%
mm15:28:18 Jan 01, 20240%
m15:23:00 Jan 01, 20240%
aawa12:53:41 Dec 28, 20230%
1112:52:46 Dec 28, 20230%
1112:52:37 Dec 28, 20230%
tania14:48:34 Dec 27, 20230%
tania14:47:39 Dec 27, 20230%
Guest11:03:50 Dec 26, 20230%
Hadia noor11:01:06 Dec 26, 20230%
moosa kashif20:54:22 Dec 21, 20230%
zainab21:08:07 Dec 20, 202312%
abdul19:31:59 Dec 13, 202377%
m01:03:37 Nov 17, 202363%
sadaf shah10:12:28 Jul 22, 202347%
Basharat16:14:39 Jul 14, 202341%
Basharat13:07:07 Jul 14, 202319%
df20:14:23 Apr 25, 202325%
Dr.Abeera Zainab22:55:16 Apr 08, 202328%
hassan21:13:57 Feb 25, 202342%
abdulahad20:05:28 Feb 13, 20235%
Adnan19:44:49 Nov 08, 202275%
RAFIA NIAZI20:57:28 Oct 11, 202213%
Kinza Nasir23:00:27 Oct 09, 202280%
sara14:50:18 Oct 09, 202233%
Abdullah05:17:21 Oct 03, 202253%
Queen08:22:29 Oct 01, 202226%
Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan16:13:35 Sep 26, 202282%
Zeeshan awan15:33:31 Sep 26, 202233%
JamjJz13:50:58 Sep 26, 202259%
Tuu12:07:49 Sep 26, 20222%
Parivash14:16:06 May 15, 202228%
shank shakya21:18:41 May 11, 202238%
Khadim BalOch20:24:23 May 07, 202269%
Amna20:05:28 May 07, 202273%
Faizan13:30:52 Apr 19, 202240%
mantasha00:37:15 Apr 10, 202241%
Aneeza23:51:31 Apr 09, 202285%
Aneeza23:38:49 Apr 09, 202281%
Aneeza23:20:43 Apr 09, 202245%

 

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Chemistry Notes, Solved Problems for Class 10th

Chemistry, a new subject for 10th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have studied only one book of science that combines chemistry, physics, and biology. But as, now we got into 9th & 10th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

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Conceptual Questions Chemistry class 10 pdf

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Chapter wise PDF Notes / Problems / Solution of Chemistry 10th Class

                     Chapter-09 (01) – Chemical Equilibrium

                     Chapter-10 (02) – Acids, Bases & Salts

                     Chapter-11 (03) – Organic Chemistry

                     Chapter-12 (04) – Hydrocarbons

                     Chapter-13 (05) – Biochemistry

                     Chapter-14 (06) – The Atmosphere

                     Chapter-15 (07) – Water

                     Chapter-16 (08) – Chemical Industries

                     Pairing Scheme for 2021 – Chemistry 10th Class

 

 

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