Question : Which of the following is soda lime?
Option 1: Ca(OH)2 + CaO
Option 2: KOH + CaO
Option 3: CaCl2 + CaO
Option 4: NaOH + CaO
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Correct Answer: NaOH + CaO
Solution : The correct option is NaOH + CaO.
Soda lime is typically prepared by mixing water, sodium hydroxide (NaOH), and calcium oxide (CaO). The reaction can be represented as follows: NaOH+CaO→Na2CO3+Ca(OH)2. Soda lime is a chemical absorbent commonly used to remove carbon dioxide (CO2) from closed environments, such as in laboratories or medical applications.
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Question : Which of the following is commonly known as quicklime?
Option 1: CaSO4
Option 2: CaCl2
Option 3: Ca(OH)2
Option 4: CaO
Question : The chemical formula of quick lime is__________.
Option 1: CaO
Option 2: CO2
Option 3: CaCO3
Option 4: Ca(OH)2
Question : The chemical formula of bleaching powder is ______.
Option 1: CaOCl2
Option 2: CaO
Question : The chemical formula of washing soda is ______.
Option 1: Na2CO3.10H2O
Option 2: Na2SO4
Option 3: NaOH
Option 4: NaHCO3
Question : Identify the chemical formula of Ammonium Hydroxide.
Option 1: NH4OH
Option 2: NH4O2
Option 3: NH3O
Option 4: NH2OH
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