9th Class Chemistry Chapter 11 English Medium Online MCQ Test With Answer

Practice 9th Class Chemistry Chapter “Hydrocarbons” online with this MCQ test. This chapter covers the structure, classification, and properties of hydrocarbons, including alkanes, alkenes, alkynes, and aromatic compounds. Students will learn about their chemical reactions, bonding patterns, and uses in daily life and industry. By attempting these multiple-choice questions, learners can strengthen their understanding of hydrocarbon chemistry, recognize different types of hydrocarbons, and prepare effectively for exams. Each question comes with a correct answer to help students evaluate their knowledge and focus on weak areas. Online practice ensures faster learning and better retention of concepts.

MCQ's Test For Chapter 11 "Hydrocarbons"

Try The MCQ's Test For Chapter 11 "Hydrocarbons"

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Hydrocarbons

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Question # 1

The branch of chemistry which deals with the study of hydrocarbons and their drivatives is known as

Question # 2

Substitution reaction is the characteristics of.

Question # 3

Which other atom is almost always present along with carbon atom in all organic compunds.

Question # 4

Alkenes are produced in large amounts by cracking of.

Question # 5

The most essential element for organic compound is.

Question # 6

Which carbon compunds are not considered organic compound

Question # 7

Alkane molecules are.

Question # 8

Higher molecular mass hydrocarbons are broken up into smaller in a process called.

Question # 9

The valancey of carbon is

Question # 10

If an organic compund has 4 carbon atoms . All singly bonded. It will have the following characteristics except one.

Question # 11

The root prop-corresponds to .....no. of carbon

Question # 12

Alkanes are least reactive compounds beacuse they are.

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9th Class (English Medium) Chemistry (New Book) Chapter 11 Important MCQ's

Sr.# Question Answer
1 The valancey of carbon is
A. 1
B. 2
C. 3
D. 4
2 Why does a mixure of zinc and hydrochloric acid acts as a reducing agent.
A. Because zin acts as a reducing agen
B. Because molecular hydrogen is produced
C. Becuse atomic hydrogen is produced
D. Becuse chloride ions are produced with zn HCl which act as a reducing agent
3 Alkane molecules are.
A. Polar
B. Non Polar
C. Botha a and b
D. None of these
4 If naphtha undergoesa combustion reactin what products do yu expect to form
A. Alkanes
B. Alkenes
C. CO2 and H2O
D. Both alkanes and alkenes
5 Which other atom is almost always present along with carbon atom in all organic compunds.
A. Hydrogen
B. Oxygen
C. Halogen
D. Nitrogen
6 Simplest family of organic compunds is
A. Carbohydrates
B. Proteins
C. Hydrocarbons
D. Oils
7 During the process of cracking naphtha is heated up to.
A. 300 oC
B. 400 oC
C. 500 oC
D. 600 oC
8 The longes continuous carbon chain in IUPAC nomeculture tells.
A. Suffix
B. Root
C. Prefix
D. None of these
9 Hydrogenatio of alkenes and alkynes takes place at room temperatur ein the presence of.
A. Ni
B. Pd
C. Pt
D. Both a and b
10 Halogenation of alkanes in the presennce of diffused sunlight takes
A. Fastly in two steps
B. In a series of four step
C. Suddenly, only in one step
D. Slowly in one step

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