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C4:CARBON AND ITS COMPOUND

1.) While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:

a) The food is not cooked completely

b)The fuel is not burning completely ा

c)The fuel is wet

d)The fuel is burning completely

2.) Cation is formed when:

a)Atom gains electrons

b) Atom loses electrons

c)Proton is lost by the atom

d) Atom shares electrons

3.) Cation is formed when:

a)Atom gains electrons

b) Atom loses electrons

c)Proton is lost by the atom

d) Atom shares electrons

4.)The I.U.P.A.C name of CH3CH2CH=CH2 is?

a) 3-Butene

b) Prop-1-ene

c) But-1-ene

d) Butyne

5.) Which of the following compounds of carbon does not consist of ions?

a) CHCl3

b) CaCO3

c) NaHCO3

d) Ca2C

6.)The property of self-linkage among identical atoms to form long chain compounds is known as:

a) Catenation

b) Isomerisation

c) Superposition

d) Halogenation

7.) Which of the following is the molecular formula of cyclobutane?

a) C4H10

b) C4H6

C) C4H8

d) C4H4

8.) Which of the following statements about graphite and diamond is true?

a) They have the same crystal structure

b They have the same degree of hardness

c) They have the same electrical conductivity

d)They can undergo the same chemical reactions

9.) How many number of carbon atoms are joined in a spherical molecule of buckminsterfullerene?

3a)0

b) 60

c)90

d)120

10.) Which of the followings is the major constituent of the liquefied petroleum gas?

a) Methane

b) Ethane

c Propanep>

d) Butane

11.)The organic compounds having functional group are known as:

a) Aldehyde

b) Ketone

Carboxylic acids

d) Alcohol

12.) From which of the following substance pencil lead is formed?

a) Charcoal

b) Wood

c) Lead

d) Graphite

13.) Ester is formed by the reaction between:

a) An acid and an alcohol

b) An acid and a base

c)A base and an alcohol

d) An acid and an alkene

14.) What is denatured alcohol?

a) Ethyl alcohol which has been made unfit for drinking purpose by adding small amount of poisonous substance

b) Methyl alcohol which has been made unfit for drinking purpose by adding small amount of poisonous substance

c) Alcohol having properties of an acid

d) Ethyl alcohol containing 60% of water by weight

15.) Which of the following substance produces brisk effervescence with baking soda solution?

a) Ethanoic acid

b)Table salt

c)Vinegar

d) Sunflower oil>

Show Result

1. B
2. B
3. B
4. C
5. A
6. A
7. C
8. D
9. B
10. D
11. C
12. D
13. A
14. A
15. A

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