7a Acids and Bases I Whatsapp Cikgu Kwee now! Whatsapp Cikgu Kwee now! Time limit: 0 Quiz Summary 0 of 7 questions completed Questions: 1 2 3 4 5 6 7 Information You have already completed the quiz before. Hence you can not start it again. Quiz is loading… You must sign in or sign up to start the quiz. You must first complete the following: Results Quiz complete. Results are being recorded. Results 0 of 7 questions answered correctly Time has elapsed You have reached 0 of 0 point(s), (0) Earned Point(s): 0 of 0, (0) 0 Essay(s) Pending (Possible Point(s): 0) Average score Your score Categories Not categorized 0% Would you like to submit your quiz result to the leaderboard? Loading Name: E-Mail: Captcha: maximum of 7 points Pos. Name Entered on Points Result Table is loading No data available 1 2 3 4 5 6 7 Answered Review Question 1 of 7 1. Question 1 point(s) Which of the followings are NOT true about hydrochloric acid? 1. I. It contains large number of hydroxonium ions. 2. II. It reacts with any base to give a salt. 3. III. It reacts with any metal to give hydrogen. 4. IV. It turns red litmus paper blue. Correct Incorrect Question 2 of 7 2. Question 1 point(s) The figure shows the apparatus set up for an electrolysis experiment. The ammeter will show a reading when 1. the direct current supply is replaced by an alternate current supply. 2. tetrachloromethane is added into the glacial ethanoic acid 3. carbon electrode is replaced by platinum electrode. 4. water is added into the glacial ethanoic acid Correct Incorrect Question 3 of 7 3. Question 1 point(s) Which of the following statements are true about the reactions of dilute hydrochloric acid, sulphuric acid and nitric acid? 1. I. They react with copper to produce hydrogen gas. 2. II. They react with calcium carbonate to produce carbon dioxide gas. 3. III. They react with sodium hydroxide to produce salt and water. 4. IV. They react with magnesium oxide to produce salt and water. Correct Incorrect Question 4 of 7 4. Question 1 point(s) Which of the following substance reacts with dilute nitric acid to produce carbon dioxide gas? 1. Iron 2. Marble 3. Sodium Hydroxide 4. Copper Correct Incorrect Question 5 of 7 5. Question 1 point(s) Which of the following substance reacts with dilute nitric acid to produce hydrogen gas? 1. Iron 2. Marble 3. Sodium Hydroxide 4. Copper Correct Incorrect Question 6 of 7 6. Question 1 point(s) Which one of the following oxides dissolves in water to form an acidic solution? 1. I. CO2 2. II. CO 3. III. SO2 4. IV. SO3 5. V. NO2 Correct Incorrect Question 7 of 7 7. Question 1 point(s) Which of the following statements are true for all acids? 1. I. They are covalent compounds. 2. II. They produce hydroxonium ions when dissolved in water. 3. III. They liberate hydrogen gas when react with any metal. 4. IV. They can be neutralized by base. Correct Incorrect
