Chemistry
Grade-7
Easy
Question
_________ is used in dressing wounds.
- Chlorine
- Antiseptic
- Tincture iodine
- 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
Chemistry
Iodine test is used to check the presence of _________.
- Fat
- protein
- Both A and B
- Carbohydrates
Iodine test is used to check the presence of _________.
ChemistryGrade-7
- Fat
- protein
- Both A and B
- Carbohydrates
Chemistry
___________ is used for bleaching cotton and jute fibers.
- 2,8,5
- 2,8,7
- 2,8,6
- 2,8,4
___________ is used for bleaching cotton and jute fibers.
ChemistryGrade-7
- 2,8,5
- 2,8,7
- 2,8,6
- 2,8,4
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Which element irritates the mucous membrane?
- Cl
- F
- Br
- Na
Which element irritates the mucous membrane?
ChemistryGrade-7
- Cl
- F
- Br
- Na
Chemistry
Choose which one of the following fibers is the strongest.
- Nylon
- Rayon
- Acrylic
- None of these
Choose which one of the following fibers is the strongest.
ChemistryGrade-7
- Nylon
- Rayon
- Acrylic
- None of these
Chemistry
Match the following.

- a-iv, b-ii, c-iii, d-i
- a-iii, b-iv, c-i, d-ii
- a-i, b-ii, c-iii, d-iv
- a-iv, b-ii, c-i, d-iii
Match the following.

ChemistryGrade-7
- a-iv, b-ii, c-iii, d-i
- a-iii, b-iv, c-i, d-ii
- a-i, b-ii, c-iii, d-iv
- a-iv, b-ii, c-i, d-iii
Chemistry
Choose which of the following is the typical behaviour of plastic.
- Electrical conductors
- Heat conductors
- Biodegradable
- Non-biodegradable
Choose which of the following is the typical behaviour of plastic.
ChemistryGrade-7
- Electrical conductors
- Heat conductors
- Biodegradable
- Non-biodegradable
Chemistry
____ is the synthetic fiber used to make parachutes.
- Silk
- Rayon
- Nylon
- All the above
____ is the synthetic fiber used to make parachutes.
ChemistryGrade-7
- Silk
- Rayon
- Nylon
- All the above
Chemistry
Assertion: Nylon fibers cannot be used for making ropes for climbers.
Reason: Nylon fibers are very strong fibers.
- Both A and R are true, and R is the correct explanation for A.
- Both A and R are true, but R is not the correct explanation for A.
- A is true, but R is false.
- 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
- Both A and R are true, and R is the correct explanation for A.
- Both A and R are true, but R is not the correct explanation for A.
- A is true, but R is false.
- A is false, but R is true.
Chemistry
Select the correct R principle for the statement. “To use something again that you would normally throw away.”
- Reduce
- Reuse
- Recycle
- Recover
Select the correct R principle for the statement. “To use something again that you would normally throw away.”
ChemistryGrade-7
- Reduce
- Reuse
- Recycle
- Recover
Chemistry
Ester is used in repeating units in the making of polyester. Choose true or false.
- True
- False
Ester is used in repeating units in the making of polyester. Choose true or false.
ChemistryGrade-7
- True
- False
Chemistry
Select the other name for artificial silk.
- Nylon
- Rayon
- Polyester
- Silk
Select the other name for artificial silk.
ChemistryGrade-7
- Nylon
- Rayon
- Polyester
- Silk
Chemistry
Choose the fiber which is termed artificial wool.
- Rayon
- Acrylic
- Nylon
- Silk
Choose the fiber which is termed artificial wool.
ChemistryGrade-7
- Rayon
- Acrylic
- Nylon
- Silk
Chemistry
Select the year in which nylon was made.
- 1931
- 1964
- 1948
- 1950
Select the year in which nylon was made.
ChemistryGrade-7
- 1931
- 1964
- 1948
- 1950
Chemistry
Uses of rayon include
- Carpeting
- Bedding
- Clothing
- All the above
Uses of rayon include
ChemistryGrade-7
- Carpeting
- Bedding
- Clothing
- All the above
Chemistry
Synthetic fibers do not absorb much
- Heat
- Air
- Water
- All the above
Synthetic fibers do not absorb much
ChemistryGrade-7
- Heat
- Air
- Water
- All the above