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The important chemical element/compound which is used in our day-to-day life is
  • a)
    Ammonia (NH3)
  • b)
    Water (H2O)
  • c)
    Oxygen (O2)
  • d)
    Hydrochloric acid (HCl)
  • e)
    None of the above/More than one of the above
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The important chemical element/compound which is used in our day-to-d...
The correct answer is option 'D' - Hydrochloric acid (HCl).

Hydrochloric acid (HCl) is an important chemical compound that is used in various day-to-day activities. Let's explore some of its uses:

1. Cleaning agent:
- Hydrochloric acid is commonly used as a cleaning agent in households, industries, and laboratories. It is highly effective in removing mineral deposits, stains, and rust from various surfaces.
- In households, it is used for cleaning toilets, bathroom tiles, and removing scale from kitchen utensils.
- In industries, it is used for cleaning metal surfaces, equipment, and machinery.

2. pH regulator:
- Hydrochloric acid is used as a pH regulator in various industries such as water treatment plants, food processing, and pharmaceuticals.
- It is added to swimming pools to maintain the appropriate pH level and prevent the growth of algae and bacteria.

3. Chemical synthesis:
- Hydrochloric acid is used in the production of various chemicals and compounds. It is commonly used in the synthesis of dyes, pharmaceuticals, fertilizers, and plastics.
- It is also used in the production of PVC (polyvinyl chloride), which is widely used in pipes, tubes, and other construction materials.

4. Pickling:
- Hydrochloric acid is used in the process of pickling, where it is used to remove impurities and oxidation from metals such as iron and steel.
- Pickling with hydrochloric acid helps to improve the appearance and corrosion resistance of metal surfaces.

5. Food processing:
- Hydrochloric acid is used in the food industry for various purposes such as food preservation, flavor enhancement, and pH adjustment.
- It is used in the production of various food products like gelatin, corn syrup, and food additives.

6. Laboratory applications:
- Hydrochloric acid is commonly used in laboratories for various analytical and experimental purposes.
- It is used for preparing chemical solutions, adjusting pH levels, and as a reagent in various chemical reactions.

In conclusion, hydrochloric acid (HCl) is an essential chemical compound that finds numerous applications in our day-to-day life. Its uses range from cleaning agents to pH regulators, chemical synthesis to pickling, food processing to laboratory applications.
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Community Answer
The important chemical element/compound which is used in our day-to-d...
  • Human beings use water (H2O) for drinking purposes.
  • Oxygen (O2) gas is needed for every living being to breathe.
  • H2O is a universal solvent produced with a condensation reaction in the atmosphere.
  • H2O occurs in sea, river, lakes, ponds, and fall from rainwater.
  • Oxygen gas occurs in the atmosphere naturally.
  • Due to a lack of oxygen, human beings can die.
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The important chemical element/compound which is used in our day-to-day life isa)Ammonia (NH3)b)Water (H2O)c)Oxygen (O2)d)Hydrochloric acid (HCl)e)None of the above/More than one of the aboveCorrect answer is option 'D'. Can you explain this answer?
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