हिंदी

______ is the essential element in all the organic compounds. - Science and Technology

Advertisements
Advertisements

प्रश्न

______ is the essential element in all the organic compounds. 

विकल्प

  • single

  • all double

  • ionic

  • carbon

  • give and take

  • hydrogen

  • multiple

  • share

  • most

  • covalent

MCQ
रिक्त स्थान भरें

उत्तर

Carbon is the essential element in all the organic compounds.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Carbon: An important element - Exercise [पृष्ठ १४९]

APPEARS IN

बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
अध्याय 13 Carbon: An important element
Exercise | Q 1. d. | पृष्ठ १४९

संबंधित प्रश्न

In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formulae.


Which of the following molecule is called buckministerfullerene?
C90 C60 C70 C120


Fill in the blank

 ................. is present in both living and non-living things.


State the term:

The property by which atoms of an element link together to form long chain or ring compounds. 


Fill in the blank

...............is used in making black shoe polish.


Tick the most appropriate answer.

Carbon has a great affinity for
a. sulphur
b. nitrogen
c. oxygen
d. none of these


List the conclusions you will draw while studying the following properties of ethanoic acid : 

(a) Odour

(b) Solubility in water

(c) Effect on litmus paper

(d) Reaction with sodium hydrogen carbonate 


Answer the following question.
Draw methane electron dot structure.


Answer the following question.
What happens when methane compound burns in oxygen?


How would you prove experimentally that carbon dioxide does not support combustion.


Starting from carbon dioxide how would you obtain a fertilizer.
[Give balanced equations for the same]


Name the following:

The gaseous product obtained when carbon monoxide is passed over heated iron [III] oxide.


Give reason for the following:

It is dangerous to stand behind a running engine of a vehicle.


______ is the main constituent of coal. 


Answer the following by rearranging the jumbled letters :

The reaction of carbon with oxygen gives osdiex


Answer the following by rearranging the jumbled letters :

In this molecule, carbon is attached to four hydrõgen atoms.
emathen.


Why is carbon monoxide harmful to health? (or) What happens when we breathe Carbon monoxide?


Give the structure of alcohol with 4 carbon atoms.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×