Rajat, a class 7 student studied the nature of a few common substances with the help of acid-base indicators. His observations are summarised in the given table with a few blank spaces.

Study the table carefully and fill in the blanks by selecting an appropriate option.

Options

A. (i)-Apple juice, (ii)-Red, (iii)-Lemon juice, (iv)-Yellow, (v)-Sugar solution
B. (i)-Sugar solution, (ii)-Yellow, (iii)-Salt solution, (iv)-Pink, (v)-Lime water
C. (i)-Common salt, (ii)-Green, (iii)-Spinach juice, (iv)-Magenta, (v)-Caustic soda
D. (i)-Lime juice, (ii)-Green, (iii) Sugar solution, (iv)-Yellow, (v)-Aerated drink

Answer

C

Explanation

(i) - Neutral solution (Common salt) (ii) - Green (Bases give green colour with China rose indicator) (iii) - Acidic substance (Spinach juice) (iv) - Magenta (Acids turn China rose indicator magenta) (v) - Basic substance (Caustic soda)