1. One of the constituents of baking powder is sodium hydrogen carbonate, the other constituent is: a) Hydrochloric acid b) Tartaric acid c) Acetic acid d) Sulphuric acid. 2. Which of the following will turn phenolphthalein pink? a) NaOH b) HCl c) CH 3 COOH d) H 2 O 3. The compound formed during electrolysis of brine is: a) Cl2 b) H2 c) NaOH d) NaH 4. A teacher gave two test tubes – one containing water and the other containing sodium hydroxide solution to two students. Then he asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for correctly identifying the test tube containing the solution of sodium hydroxide? a) Blue litmus b) Red litmus c) Sodium carbonate solution d) Dilute HCl 5. To relieve pain caused due to acidity, we can take : a) sour milk b) lemon juice c) orange juice d) milk of magnesia 6. You are given four unknown solutions I, II, III, and IV. The pH values of these solutions are found
