01. What is the chemical name of Slaked Lime?
A. Amonium chloride
B. Calcium Chloride
C. Calcium Hydroxide
D. Sodium Hydroxide

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02. What is the chemical name of Dry Ice?
A. Sodium Sulphate
B. Silicon Oxide
C. Calcium Sulphate
D. Solid Carbondioxide
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03. What is the Chemical Name of Bleaching powder?
A. Calcium Oxychloride
B. Calcium Sulphate
C. Calcium Oxide
D. Ferrous Sulphate
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04. The chemical formula of Bleaching powder is——–.
A. Ca(OH)2
B. CaOCl
C. CaOCl2
D. CaOCl3
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05. The chemical name of Nausadar is —–.
A. Slaked lime
B. Sodium Hydroxide
C. Sodium Sulphate
D. Amonium Chloride
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06. What is the chemical formula of Nausadar?
A. NH3Cl
B. NH4
C. NH4Cl
D. NHCl2

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07. What is the chemical name of Caustic Soda?
A. Calcium oxide
B. Calcium Hydroxide
C. Sodium Hydroxide
D. Sodium Bicarbonate
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08. What is the chemical formula Caustic Soda?
A. Na(OH)2
B. NaOH
C. CaOH
D. Ca(OH)
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09. Sodium Chloride also called?
A. Rock salt
B. Potash Alum
C. Sodim carbonate
D. None of the above
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10. What is the chemical Formula of eating salt?
A. NaCl
B. NaCl2
C. NaCO3
D. NaOH
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