Quiz: Choose the correct answer(s) 🤔

• 1. To perform the chemical test for water, we use in the course:
  
• a beaker an Erlenmeyer flask a graduated cylinder a plate a test tube

• 2. The chemical substance to perform the water test is:
  
• water anhydrous copper sulfate hydrated copper sulfate silver nitrate solution anhydrous copper chloride

• 3. Anhydrous copper sulfate is:
  
• a white powder a blue powder a transparent liquid a white liquid

• 4. If the chemical test involves mixing two liquids, we use:
  
• a beaker an Erlenmeyer flask a test tube a graduated cylinder

• 5. To verify that a test tube contains carbon dioxide, we use:
  
• anhydrous copper sulfate silver nitrate solution lime water

• 6. When adding three drops of silver nitrate to 2 cm of a liquid containing chloride ions present in a test tube, one can observe:
  
• a white precipitate a blue precipitate a black precipitate a red precipitate

📊 RESULT: