हिंदी

(A) What Happens When Methane (Natural Gas) Burns in Air? Write the Chemical Equation of the Reaction Involved.

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प्रश्न

What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.

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उत्तर

When methane (natural gas) burns in air, carbon dioxide and water vapour are formed along with the release of a large amount of heat. This process is known as combustion.

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अध्याय 4: Carbon And Its Compounds - Exercise 3 [पृष्ठ २६४]

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लखमीर सिंग Chemistry [English] Class 10
अध्याय 4 Carbon And Its Compounds
Exercise 3 | Q 36.1 | पृष्ठ २६४

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संबंधित प्रश्न

Give appropriate scientific reasons for Carbon tetrachloride does not conduct electricity.


What do you call the compounds having the same molecular formula but different structural arrangements of atoms?


Give the formula of the compound that would be formed by the combination of the following pair of elements:

K and H


 What is graphite?


A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia


A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.


Methane molecule is non-polar molecule. Explain.


Explain the bonding in methane molecule using electron dot structure.


Which of the following is a common characteristic of a covalent compound?


What are the term defined below?

A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.


Draw the electron dot diagram and structure of nitrogen molecule.


State the type of bond formed, and draw Lewis structure of water.


Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.


Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.


Write an Explanation.

Alkane


When ethyl alcohol and acetic acid are mixed, the resulting ester has a chemical formula ______.


Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.


Which of the following statements are usually correct for carbon compounds? These

  1. are good conductors of electricity
  2. are poor conductors of electricity
  3. have strong forces of attraction between their molecules
  4. do not have strong forces of attraction between their molecules.

Two carbon atoms can always form one or two covalent bonds.


Statement (A): Covalent compounds are bad conductors of electricity.
Reason (B): Covalent compounds contain charged particles (ions)


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