Chemistry
Select the correct answer from the choice given in the brackets.
- An anhydrous crystal. [blue vitriol / epsom salt / lead chloride].
- A substance which causes hardness in water. [NH4Cl/CaCl2/NaCl]
- A deliquescent salt of a divalent metal. [CuCl/CaCl2/FeCl2/PbCl2]
- An anhydrate of a heptahydrate salt. [Cu(NO3)2/Ca(NO3)2/FeSO4/CaSO4]
- A drying agent, deliquescent in nature used in a dessicator. [conc. H2SO4/ fused CaCl2/FeCl3]
Water
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Answer
- An anhydrous crystal — lead chloride.
- A substance which causes hardness in water. — CaCl2.
- A deliquescent salt of a divalent metal — CaCl2
- An anhydrate of a heptahydrate salt. — FeSO4
- A drying agent, deliquescent in nature used in a dessicator. — fused CaCl2
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