START QUIZ #1. Glauber's salt is Na₂SO4 . 10H₂O Na₂SO4 . 10H₂O FeSO4 . 7H₂O FeSO4 . 7H₂O ZnSO4. 7H₂O ZnSO4. 7H₂O CuSO4.5H2O CuSO4.5H2O #2. Brine is a solution of potassium iodide in water potassium iodide in water sulphur in carbon disulphide sulphur in carbon disulphide iodine in alcohol iodine in alcohol sodium chloride in water sodium chloride in water #3. Which of the following compounds is used as a purgative? Gypsum Gypsum Blue vitriol Blue vitriol Epsom salt Epsom salt Mohr's salt Mohr's salt #4. Which of the following is a bleaching agent? Hydrogen peroxide Hydrogen peroxide Copper sulphate Copper sulphate Copper sulphate Copper sulphate Potassium chlorate Potassium chlorate #5. Nitre is KNO3 KNO3 CaOCl2 CaOCl2 KMnO4 KMnO4 NaNO3 NaNO3 Next Page >> < Results > - Congratulations. You passed the exam. Sorry You failed this exam. write the exam again.