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    Chemistry
    Grade-7
    Easy

    Question

    _________ is used in dressing wounds.

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

    Hint:

    It has 2%-7% of an element.

    The correct answer is: Tincture iodine

      • Iodine tincture, iodine tincture, or weak iodine solution is a preservative.
      • It usually consists of 2-7% elemental iodine, along with potassium iodide or sodium iodide dissolved in a mixture of water and ethanol. Tincture solutions are characterized by the presence of alcohol in them. It is an over-the-counter product that is used to treat minor bacterial skin infections and disinfect wounds. This product is available in a disinfectant form and is currently not covered by Medicare.

      Related Questions to study

      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
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      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
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      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
      Grade-7
      Chemistry

      ____ is the synthetic fiber used to make parachutes.

      1. Silk
      2. Rayon
      3. Nylon
      4. All the above

      ____ is the synthetic fiber used to make parachutes.

      ChemistryGrade-7
      1. Silk
      2. Rayon
      3. Nylon
      4. All the above
      Grade-7
      Chemistry

      Assertion: Nylon fibers cannot be used for making ropes for climbers.
      Reason: Nylon fibers are very strong fibers.

      1. Both A and R are true, and R is the correct explanation for A.
      2. Both A and R are true, but R is not the correct explanation for A.
      3. A is true, but R is false.
      4. A is false, but R is true.

      Assertion: Nylon fibers cannot be used for making ropes for climbers.
      Reason: Nylon fibers are very strong fibers.

      ChemistryGrade-7
      1. Both A and R are true, and R is the correct explanation for A.
      2. Both A and R are true, but R is not the correct explanation for A.
      3. A is true, but R is false.
      4. A is false, but R is true.
      Grade-7
      Chemistry

      Select the correct R principle for the statement. “To use something again that you would normally throw away.”

      1. Reduce
      2. Reuse
      3. Recycle
      4. Recover

      Select the correct R principle for the statement. “To use something again that you would normally throw away.”

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      1. Reduce
      2. Reuse
      3. Recycle
      4. Recover
      parallel
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      Ester is used in repeating units in the making of polyester. Choose true or false.

      1. True
      2. False

      Ester is used in repeating units in the making of polyester. Choose true or false.

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      1. True
      2. False
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      Select the other name for artificial silk.

      1. Nylon
      2. Rayon
      3. Polyester
      4. Silk

      Select the other name for artificial silk.

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      1. Nylon
      2. Rayon
      3. Polyester
      4. Silk
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      Chemistry

      Choose the fiber which is termed artificial wool.

      1. Rayon
      2. Acrylic
      3. Nylon
      4. Silk

      Choose the fiber which is termed artificial wool.

      ChemistryGrade-7
      1. Rayon
      2. Acrylic
      3. Nylon
      4. Silk
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      Grade-7
      Chemistry

      Select the year in which nylon was made.

      1. 1931
      2. 1964
      3. 1948
      4. 1950

      Select the year in which nylon was made.

      ChemistryGrade-7
      1. 1931
      2. 1964
      3. 1948
      4. 1950
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      Uses of rayon include

      1. Carpeting
      2. Bedding
      3. Clothing
      4. All the above

      Uses of rayon include

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      1. Carpeting
      2. Bedding
      3. Clothing
      4. All the above
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      Synthetic fibers do not absorb much

      1. Heat
      2. Air
      3. Water
      4. All the above

      Synthetic fibers do not absorb much

      ChemistryGrade-7
      1. Heat
      2. Air
      3. Water
      4. All the above
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