Class 10 CHE -ACIDS& BASE Here the Quick 5 Questions test for Assessment 1. Why does baking soda and vinegar react with each other? To neutralize each other To decompose each other None of the above To displace each other None 2. What is the pH of a most acidic solution among the following? 6 10 1 9 None 3. On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution? Basic Either basic or neutral Either acidic or basic Either acidic or neutral None 4. What is used with acid in fire extinguishers to produce carbon dioxide gas? 5. Phenolphthalein is a synthetic indicator and its color in acidic and basic solutions, respectively are: blue and red pink and colorless red and blue Colorless and pink None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.