PDF chapter test TRY NOW

1. If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?
2. Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?
(i) It turns lime water milky
(ii) It extinguishes a burning splinter
(iii) It dissolves in a solution of sodium hydroxide
(iv) It has a pungent odour