Chemistry
Grade-10
Easy

Question

_______ is the element not found in the native state.

  1. Cu
  2. Pt
  3. Au
  4. Na

hintHint:

ores of elements.

The correct answer is: Na


    The ore of sodium is rock salt. The sodium compound present in this ore is sodium chloride. The chemical formula of the ore is NaCl.

    Related Questions to study

    Grade-10
    Chemistry

    Copper pyrites ore is concentrated by which of the following methods?

    Copper pyrites ore is concentrated by which of the following methods?

    ChemistryGrade-10
    Grade-10
    Chemistry

    Which one of the following is not a method of concentration of ore?

    Which one of the following is not a method of concentration of ore?

    ChemistryGrade-10
    Grade-10
    Chemistry

    The practical application in the froth floatation process for the concentration of ores is:

    The practical application in the froth floatation process for the concentration of ores is:

    ChemistryGrade-10
    parallel
    Grade-10
    Chemistry

    Pick the odd one out:

    Pick the odd one out:

    ChemistryGrade-10
    Grade-10
    Chemistry

    What is the role of aluminum in the metallurgical process?

    What is the role of aluminum in the metallurgical process?

    ChemistryGrade-10
    Grade-10
    Chemistry

    Pick the odd one out:

    Pick the odd one out:

    ChemistryGrade-10
    parallel
    Grade-10
    Chemistry

    The metal that is not extracted from leaching is:

    The metal that is not extracted from leaching is:

    ChemistryGrade-10
    Grade-10
    Chemistry

    Oil that is used in the froth floatation process as a frothing agent:

    Oil that is used in the froth floatation process as a frothing agent:

    ChemistryGrade-10
    Grade-10
    Chemistry

    ______________ are the collectors that increase the metal component of the ore’s non wettability.

    ______________ are the collectors that increase the metal component of the ore’s non wettability.

    ChemistryGrade-10
    parallel
    Grade-10
    Chemistry

    In which process do we use the rotation paddle?

    In which process do we use the rotation paddle?

    ChemistryGrade-10
    Grade-10
    Chemistry

    _______________ is used to concentrate an ore when either the particles of the ore or the impurities present in it are magnetic in nature.

    _______________ is used to concentrate an ore when either the particles of the ore or the impurities present in it are magnetic in nature.

    ChemistryGrade-10
    Grade-10
    Chemistry

    ____________ is usually used for concentration of ores when the particles of the ore have a higher mass compared to the earthy or rocky gangue particles.

    ____________ is usually used for concentration of ores when the particles of the ore have a higher mass compared to the earthy or rocky gangue particles.

    ChemistryGrade-10
    parallel
    Grade-10
    Chemistry

    Which of the following is concentrated by magnetic separation method?

    Which of the following is concentrated by magnetic separation method?

    ChemistryGrade-10
    Grade-10
    Chemistry

    What is the use of a rotating paddle in the froth floatation technique?

    What is the use of a rotating paddle in the froth floatation technique?

    ChemistryGrade-10
    Grade-10
    Chemistry

    Which of the following can be concentrated by the electromagnetic separation technique?

    Which of the following can be concentrated by the electromagnetic separation technique?

    ChemistryGrade-10
    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.