Chemical Process Which of the following is not responsible for causing permanent hardness of water? None of these Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these Ca(HCO₃)₂ MgCl₂ CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Permutit Reverse osmosis Sand filter Lime soda Permutit Reverse osmosis Sand filter Lime soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Litharge is Lead oxide Cellulosic photographic material Zinc sulphide Zinc oxide Lead oxide Cellulosic photographic material Zinc sulphide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent. 10 98 25 50 10 98 25 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? CaO Fe₂O₃ Al₂O₃ SiO₂ CaO Fe₂O₃ Al₂O₃ SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are added in lacquers to remove film brittleness and to improve adhereness. Plasticisers Solvents Film forming materials Diluents Plasticisers Solvents Film forming materials Diluents ANSWER DOWNLOAD EXAMIANS APP
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