Class 10 CHE -ACIDS& BASE Here the Quick 5 Questions test for Assessment 1. Tooth decay can be cured by a toothpaste by a reaction called as : 2. Metals generally react with dilute acids to produce hydrogen gas . Which one of the following metals does not react with dilute hydrochloric acid? magnesium copper aluminium iron None 3. From which plant is litmus paper or litmus solution obtained? Hibiscus Lichen Moss Roses None 4. Which of the following statement is correct? Nitric acid turns red litmus blue Sodium hydroxide turns blue litmus red Sodium hydroxide turns red litmus blue Nitric acid does not change blue litmus to red None 5. When an acid reacts with a metal carbonate or metal hydrogen carbonate, it gives the corresponding salt, gas and product. Name the gas and product? All of the above Carbon dioxide, Salt Carbon dioxide, Water Hydrogen, Salt 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.