1. A liquid in solid colloid is called :(A) emulsion (B) aerosol(C) gel (D) sol2. Increase in temperature would.......the reaction rate.(A) decrease(B) no effect(C) sometimes decrease(D) increase3. Which statement is incorrect?(A) A catalyst remains unchanged in composition(B) A catalyst can initiate a reaction(C) A small amount of catalyst is sufficient to catalyse a reaction(D) A catalyst is