Chemistry
Grade-8
Easy

Question

The amorphous form of carbon contains the impurities like sulphur, nitrogen, hydrogen and ____

  1. Oxygen
  2. Boron
  3. Phosphorous
  4. Silicon

hintHint:

The second most abundant gas in the air.

The correct answer is: Oxygen


    The correct option is a)Oxygen.
    Contaminants discussed include metallic, nanographite, and amorphous carbon-based contaminants commonly found in carbon. It has  sulphur, nitrogen, hydrogen and oxygen.

    Related Questions to study

    Grade-8
    Chemistry

    Which of the following products does not contain coal tar as an ingredient in it?

    Which of the following products does not contain coal tar as an ingredient in it?

    ChemistryGrade-8
    Grade-8
    Chemistry

    The carbon content in the coke is:

    The carbon content in the coke is:

    ChemistryGrade-8
    Grade-8
    Chemistry

    Which of the following form is the most popular variety of coal?

    Which of the following form is the most popular variety of coal?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    Write the descending order of different forms of coals based on the percentage of carbon present in it.

    Write the descending order of different forms of coals based on the percentage of carbon present in it.

    ChemistryGrade-8
    Grade-8
    Chemistry

    Identify the correct statement from the following:

    Identify the correct statement from the following:

    ChemistryGrade-8
    Grade-8
    Chemistry

    Which of the following statements is incorrect?

    Which of the following statements is incorrect?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    The nature and the smell of coal tar are:

    The nature and the smell of coal tar are:

    ChemistryGrade-8
    Grade-8
    Chemistry

    Crystalline and _____ are the two major allotropes of carbon.

    Crystalline and _____ are the two major allotropes of carbon.

    ChemistryGrade-8
    Grade-8
    Chemistry

    Complete the following analogy:
    Lignite: Soft coal :: Anthracite:

    Complete the following analogy:
    Lignite: Soft coal :: Anthracite:

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    Which of the processes is shown in the following picture?

    Which of the processes is shown in the following picture?

    ChemistryGrade-8
    Grade-8
    Chemistry

    Which of the following forms of carbon is used for the preparation of explosives and synthetic dyes?

    Which of the following forms of carbon is used for the preparation of explosives and synthetic dyes?

    ChemistryGrade-8
    Grade-8
    Chemistry

    In which of the given substances are the carbon atoms not present in a regular pattern?

    In which of the given substances are the carbon atoms not present in a regular pattern?

    ChemistryGrade-8
    parallel
    Grade-8
    Chemistry

    What are the following products obtained when bituminous coal is heated in the absence of air at around 1300°C:
    (i) Coke
    (ii) Charcoal and coal
    (iii) Coke and coal tar
    (iv) Coal tar and ammonical solution

    What are the following products obtained when bituminous coal is heated in the absence of air at around 1300°C:
    (i) Coke
    (ii) Charcoal and coal
    (iii) Coke and coal tar
    (iv) Coal tar and ammonical solution

    ChemistryGrade-8
    Grade-8
    Chemistry

    Coal is the mixture of carbon, hydrogen and:

    Coal is the mixture of carbon, hydrogen and:

    ChemistryGrade-8
    Grade-8
    Chemistry

    Which of the following picture does not depict the uses of coal?

    Which of the following picture does not depict the uses of coal?

    ChemistryGrade-8
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.