मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (मराठी सेमी-इंग्रजी) इयत्ता ९ वी

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

Advertisements
Advertisements

प्रश्न

______ is the essential element in all the organic compounds. 

पर्याय

  • single

  • all double

  • ionic

  • carbon

  • give and take

  • hydrogen

  • multiple

  • share

  • most

  • covalent

MCQ
रिकाम्या जागा भरा

उत्तर

Carbon is the essential element in all the organic compounds.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Carbon: An important element - Exercise [पृष्ठ १४९]

APPEARS IN

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

संबंधित प्रश्‍न

Name the scientist who disproved the 'vital force theory' for the formation of organic compounds.


What is the general name of all the compounds made up of carbon and hydrogen?


Fill in the blank

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


Define the following:

Carbonization


Name the products formed when:

bone is heated in the absence of air.


 How will you collect the gas ?


Explain the term ‘green house effect’. How can it be both beneficial and harmful for life on earth ?


Name the simplest organic compound.


What is the atomic number of carbon ?


How is gas carbon produced?


Explain the term ‘dry ice’. State its application.


Name the following:

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


Give a balanced equation for the following conversion: [In one or two steps]

Carbon dioxide to carbon.


Complete the statement by filling the blank with the correct word from the option.

Adsorption capacity of wood charcoal is increased by passing ______ over wood charcoal, at high temperature.


Complete the statement by filling the blank with the correct word from the option.

______ Chemistry is the Chemistry of carbon compounds mainly of ‘Carbon’, ‘Hydrogen’ & ‘Oxygen’.


Complete the statement by filling the blank with the correct word from the option.

Sodium oxide combines with carbon dioxide to give _____


______ is the main constituent of coal. 


Assertion (A): Carbon monoxide is a toxic gas of carbon.
Reason (R): smoking is a source of carbon monoxide.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×