image

    Have a query? Ask a Tutor!!

    Access to best educators and exclusive paper discussions

    Can’t find what you’re looking for?

    Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

    • Homework- One to One Solutions
    • Understand concepts to solve better
    • Get your doubts solved instantly
    Chemistry
    Grade-7
    Easy

    Question

    Noble gases are mostly found ____________.

    1. In the atmosphere
    2. Underwater in the ocean
    3. Deep inside the Earth's crust
    4. In outer space

    Hint:

    Noble gases are inert gases.

    The correct answer is: In the atmosphere

      • Noble gas is the element in group 18 (VIIa) of the periodic table.
      • The abundance of noble gases decreases with increasing atomic numbers.
      • After hydrogen, helium is the most common element in the universe.
      • All noble gases are present in the Earth's atmosphere and, with the exception of helium and radon, their main commercial source is air, from which they are extracted by liquefaction and fractional distillation.
      • Most helium is commercially produced from certain natural gas sources.

      Related Questions to study

      Grade-7
      Chemistry

      Balloons are filled with a noble gas called _______________ that lets them float in the air.

      1. Neon
      2. Hydrogen
      3. Oxygen
      4. Helium

      Balloons are filled with a noble gas called _______________ that lets them float in the air.

      ChemistryGrade-7
      1. Neon
      2. Hydrogen
      3. Oxygen
      4. Helium
      Grade-7
      Chemistry

      Gases that exhibit stability and low reaction rates are called ______________.

      1. Halogen gases
      2. Noble gases
      3. Boron gases
      4. Carbon gases

      Gases that exhibit stability and low reaction rates are called ______________.

      ChemistryGrade-7
      1. Halogen gases
      2. Noble gases
      3. Boron gases
      4. Carbon gases
      Grade-7
      Chemistry

      Which of these groupings of elements could have the characteristic of brittle?

      1. Metal
      2. Non-metal
      3. Metalloid
      4. None of the above

      Which of these groupings of elements could have the characteristic of brittle?

      ChemistryGrade-7
      1. Metal
      2. Non-metal
      3. Metalloid
      4. None of the above
      parallel
      Grade-7
      Chemistry

      The element which has the property of being a good conductor of electricity and a bad conductor of heat is

      1. Graphite
      2. Carbon
      3. Iodine
      4. Chlorine

      The element which has the property of being a good conductor of electricity and a bad conductor of heat is

      ChemistryGrade-7
      1. Graphite
      2. Carbon
      3. Iodine
      4. Chlorine
      Grade-7
      Chemistry

      Noble gases are inert because

      1. They are highly reactive
      2. They are unreactive
      3. They are noble
      4. They have 8 electrons in their outermost energy level

      Noble gases are inert because

      ChemistryGrade-7
      1. They are highly reactive
      2. They are unreactive
      3. They are noble
      4. They have 8 electrons in their outermost energy level
      Grade-7
      Chemistry

      _______ acts as a lubricant in making pencils.

      1. Graphite
      2. Diamond
      3. Carbon
      4. Phosphorous

      _______ acts as a lubricant in making pencils.

      ChemistryGrade-7
      1. Graphite
      2. Diamond
      3. Carbon
      4. Phosphorous
      parallel
      Grade-7
      Chemistry

      Which of the following is a solid inert element?

      1. Argon
      2. Neon
      3. Iodine
      4. Helium

      Which of the following is a solid inert element?

      ChemistryGrade-7
      1. Argon
      2. Neon
      3. Iodine
      4. Helium
      Grade-7
      Chemistry

      Which of these is not the property of noble gases?

      1. Colorless
      2. Odorless
      3. Flammable
      4. Gas at room temperature

      Which of these is not the property of noble gases?

      ChemistryGrade-7
      1. Colorless
      2. Odorless
      3. Flammable
      4. Gas at room temperature
      Grade-7
      Chemistry

      _________ is used in dressing wounds.

      1. Chlorine
      2. Antiseptic
      3. Tincture iodine
      4. Aluminum

      _________ is used in dressing wounds.

      ChemistryGrade-7
      1. Chlorine
      2. Antiseptic
      3. Tincture iodine
      4. Aluminum
      parallel
      Grade-7
      Chemistry

      Iodine test is used to check the presence of _________.

      1. Fat
      2. protein
      3. Both A and B
      4. Carbohydrates

      Iodine test is used to check the presence of _________.

      ChemistryGrade-7
      1. Fat
      2. protein
      3. Both A and B
      4. Carbohydrates
      Grade-7
      Chemistry

      ___________ is used for bleaching cotton and jute fibers.

      1. 2,8,5
      2. 2,8,7
      3. 2,8,6
      4. 2,8,4

      ___________ is used for bleaching cotton and jute fibers.

      ChemistryGrade-7
      1. 2,8,5
      2. 2,8,7
      3. 2,8,6
      4. 2,8,4
      Grade-7
      Chemistry

      Which element irritates the mucous membrane?

      1. Cl
      2. F
      3. Br
      4. Na

      Which element irritates the mucous membrane?

      ChemistryGrade-7
      1. Cl
      2. F
      3. Br
      4. Na
      parallel
      Grade-7
      Chemistry

      Choose which one of the following fibers is the strongest.

      1. Nylon
      2. Rayon
      3. Acrylic
      4. None of these 

      Choose which one of the following fibers is the strongest.

      ChemistryGrade-7
      1. Nylon
      2. Rayon
      3. Acrylic
      4. None of these 
      Grade-7
      Chemistry

      Match the following.

      1. a-iv, b-ii, c-iii, d-i 
      2. a-iii, b-iv, c-i, d-ii
      3. a-i, b-ii, c-iii, d-iv
      4. a-iv, b-ii, c-i, d-iii

      Match the following.

      ChemistryGrade-7
      1. a-iv, b-ii, c-iii, d-i 
      2. a-iii, b-iv, c-i, d-ii
      3. a-i, b-ii, c-iii, d-iv
      4. a-iv, b-ii, c-i, d-iii
      Grade-7
      Chemistry

      Choose which of the following is the typical behaviour of plastic.

      1. Electrical conductors
      2. Heat conductors
      3. Biodegradable
      4. Non-biodegradable

      Choose which of the following is the typical behaviour of plastic.

      ChemistryGrade-7
      1. Electrical conductors
      2. Heat conductors
      3. Biodegradable
      4. Non-biodegradable
      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.