1) what is the type of solution for the caustic soda? a) strong acid b) weak acid c) neutral d) weak base e) strong base f) weak alkali 2) what is the type of solution for lemon? a) weak acid b) strong base c) weak alkali d) strong acid e) weak base f) neutral 3) If the solution of a substance was red what is the type of solution ? a) neutral b) strong acid c) weak acid d) weak alkali e) strong base f) weak base 4) if a mixture of substances turned into green colour. what is the solution ? a) neutral b) strong acid c) weak alkali d) strong base e) weak alkali f) strong alkali 5) if the litmus paper turned to blue colour. what is the type of solution ? a) acid b) base c) alkali d) neutral 6) if the litmus paper turned to red colour. what is the type of solution ? a) base b) alkali c) neutral d) acid 7) what is the colour of the orange when mixed with a universal indicator ? a) orange b) yellow c) red d) purple e) dark blue f) green 8) what is the colour of the lemon when mixed with a universal indicator ? a) purple b) yellow c) red d) dark blue e) black f) green 9) sodium hydroxide is a ................ a) strong acid b) weak base c) neutral d) strong base e) weak acid f) weak alkali 10) canceling out the base from an acid or an acid from a base is called ............. a) fermentation b) fertilization c) titration d) concentration e) neutralization f) adaptation

Chemistry, acid, base, and neutralization Omar Kayyali

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