Advertisements
Advertisements
प्रश्न
Name the element whose allotropic form is graphite.
Advertisements
उत्तर
Carbon is the element whose allotropic form is graphite.
APPEARS IN
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
What is the general name of all the compounds made up of carbon and hydrogen?
Fill in the blank.
The name ‘carbon’ is derived from the Latin word...........
Choose the correct alternative.
In combined state, carbon occurs as
Name the following:
Substances whose atoms or molecules are not arranged in a geometrical pattern.
Give two uses for the following:
sugar charcoal
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of dilute sulphuric acid on sodium bicarbonate.
What is a fire extinguisher ? What is the substance used in the modern type of fire extinguishers ? How is it an improvement over the soda acid-type and the foam-type fire extinguishers ?
What steps should be taken to balance carbon dioxide in the atmosphere ?
FILL IN THE BLANK
Organic compounds have ........ boiling and melting points.
Carbon forms innumerable compounds by combining with other elements. True or false ?
Write the name and the chemical formula of the simplest alkene.
Explain the ways in which glucose is broken down in absence or shortage of oxygen.
Name of the following compounds :


Starting from carbon dioxide how would you obtain a weak acid.
[Give balanced equations for the same]
State how you would convert carbon dioxide to a metallic carbonate using a basic oxide e.g. sodium oxide. [Give a balanced equation]
Carbon monoxide displaces ______ from hemoglobin.
