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Water — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYWater5 Marks
Question
Complete the following table:
Common Name Chemical Name Formula Acid, base or salt Efflorescent,
hygroscopic or deliquescent substance
Solid caustic potash        
Quick lime        
Oil of vitriol        
Washing soda        
Solid caustic soda        
Blue vitriol        
✓

Answer

Common Name Chemical Name Formula Acid, base or salt Efflorescent,
hygroscopic or deliquescent substance
Solid caustic potash Potassium hydroxide $KOH$ Base Deliquescent substance
Quick lime Calcium oxide $CaO$ Base Hygroscopic substance
Oil of vitriol Sulphuric acid $H_2SO_4$ Acid Hygroscopic substance
Washing soda Hydrated sodium carbonate $Na_2CO_3.10H_2O$ Salt Efflorescent substance
Solid caustic soda Sodium hydroxide $NaOH$ Base Deliquescent substance
Blue vitriol Copper sulphate $CuSO_4$ Salt Efflorescent substance

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