TEST - 47 ( Carbon and its Compounds )

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EFFORTS NEVER FAIL

NAME : *

1. Hybridisation deals with *

1 point

Electrons

Orbitals

Both

None of them

2.Soaps give a true solution at particular concentration known as *

1 point

CMC

Dirt

Suspensions

Colloidal

3. 10% ethanol in gasoline is known as *

1 point

Gasolin

Gasohol

Glycerin

None of these

4. A sweet odur substance formed by the reaction of an alcohol and a carboxylic acid *

1 point

CMC

Dirt

Suspensions

Ester

5. Valence of carbon atom is *

1 point

6. The different forms of the element are called *

1 point

Allotropes

Catination

Isomerism

Isomers

7. Spherical fullerenes are also called *

1 point

Graphene

Buckyballs

Nanotubes

) Isomers

8. Which of the following is a bad conductor of electricity? *

1 point

Diamond

Graphite

Iron

None of these

9. The chemical formula of Ammonium cyanate is *

1 point

NHCNO

NH2CNO

NH3CNO

NH4CNO

10. The chemical formula of urea is *

1 point

CO (NH2)2

CO (NH2)3

CO (N32)2

CO (NH4)2

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