Questions and Answers
What is the chemical formula for caustic soda?
Which compound is obtained from the Solvay process?
What is microsomic salt commonly represented by?
What chemical reaction is used for soda bleaching?
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Which of the following is an ash derived from potassium?
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Study Notes
Compounds of Sodium
- NaOH is also known as Caustic Soda.
- Na₂CO₃ is referred to as Washing Soda, which is produced through the Solvay Process.
- Sodium Peroxide is represented by the formula Na₂O.
- Soda ash has the chemical formula Na₂CO₃.
Other Compounds
- Potassium ash has the chemical formula K₂CO₃ and is also known as Pearl ash.
- Black ash is composed of Na₂CO₃ and CaS.
- Wood ash is a mixture of K₂CO₃ and K₂SO₄.
Artificial Respiration
- Space capsules used in artificial respiration are made up of KO₂.
Sodium Compounds
- Sodium thiosulphate has the chemical formula Na₂S₂O₃. SH₂O.
- Sodium sesquicarbonate has the chemical formula Na₂CO₃. NaHCO₃. 2H₂O, and is used for wood washing.
Bleaching
- Soda bleaching involves mixing Na₂O₂ with dilute HCl.
Microscomic Salt
- Microscomic salt has the chemical formula (NH₄) NaHPO₄. 4H₂O.
- It gives a bead test and produces a blue color.
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Description
This quiz covers various compounds of sodium and potassium, including their formulas, uses, and reactions. It also touches on their applications in artificial respiration, wood washing, and bleaching.
