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प्रश्न
Fill in the blank
...............is used in making black shoe polish.
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उत्तर
lampblack is used in making black shoe polish.
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संबंधित प्रश्न
Give two uses for the following:
sugar charcoal
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
..................... is used as a pigment and colouring matter in ink and shoe polish.
What is the atomic number of carbon ?
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.
What is methane?
Answer the following question.
Draw methane electron dot structure.
Starting from carbon dioxide how would you obtain a highly poisonous gas.
[Give balanced equations for the same]
The portion left on dropping a hydrogen atom from an alkane is called ______.
Answer the following by rearranging the jumbled letters :
The reaction of carbon with oxygen gives osdiex
