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प्रश्न
Name the element whose allotropic form is graphite.
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उत्तर
Carbon is the element whose allotropic form is graphite.
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संबंधित प्रश्न
Fill in the blank.
The name ‘carbon’ is derived from the Latin word...........
Write true or false
Carbon constitues 0.03% of the earth’s crust.
Name the products formed when:
bone is heated in the absence of air.
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of dilute sulphuric acid on sodium bicarbonate.
Tick the most appropriate answer.
Each molecule of Buckminster fulierene contains 60 atoms of carbon arranged as balls consisting of 12 pentagons and
a. 20 hexagons
b. 30 hexagons
c. 40 hexagons
d. 50 hexagons
FILL IN THE BLANK
Natural gas is an important ............. fuel.
TRUE \ FALSE
Organic compounds are soluble in water.
Most of our food contains compounds of carbon. True or false ?
Answer the following question.
Why are methane compounds have poor conductors of electricity?
Starting from carbon dioxide how would you obtain a highly poisonous gas.
[Give balanced equations for the same]
Starting from carbon dioxide how would you obtain a black particles of carbon.
[Give balanced equations for the same]
Give a balanced equation for the following conversion: [In one or two steps]
Coke to water gas.
Complete the statement by filling the blank with the correct word from the option.
Sodium oxide combines with carbon dioxide to give _____
Carbon exists in the atmosphere in the form of ______.
Explain the carbon cycle or biogeochemical cycle.
The main component of water gas is ______.
Which among the following compound is soluble in water?
Which of the following is highly toxic?
Which theory was challenged by the synthetic preparation of Urea?
