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water freezes
all gases become solid
molecular motion in a gas would cease
all gases become liquid
The acid present in red ants is
The acid rain destroys vegetations as it contains
The acid stored in batteries is:
The acid used in lead storage cells is
The active substance present in dettol is
The addition of gypsum to portland cement helps in:
The advantage of detergents over soaps is
The alkali metals have
The alkoloid naturally found in coffee, cocoa cola nut is
The alum used for purifying water is