Question

question 1 of 9
ammonia is a weak base often used in the laboratory experiments. aqueous ammonia includes both ammonia and ammonium hydroxide
mathrm{nh}_{3}+mathrm{h}_{2} mathrm{o}
ightleftharpoons mathrm{nh}_{4}^{+}+mathrm{oh}^{-}
classify these statements as true or false.
answer bank
inhaling ammonia vapors can cause shortness of breath and even lung damage.
concentrated ammonia should be handled in a well ventilated area, such as a fume hood.
goggles should be worn even when handling a dilute ammonia solution.
concentrated ammonia should never be poured directly down the drain. aqueous ammonia is harmful to both humans and the environment

Explanation:

• Inhaling ammonia vapors can cause shortness of breath and even lung damage: Ammonia is a toxic gas. When inhaled, it can irritate the respiratory tract. High - level exposure can lead to serious respiratory problems like shortness of breath and lung damage.
• Concentrated ammonia should be handled in a well - ventilated area, such as a fume hood: Concentrated ammonia releases a large amount of ammonia gas. A fume hood helps to remove these harmful vapors from the breathing zone, protecting the handler.
• Goggles should be worn even when handling a dilute ammonia solution: Even dilute ammonia solutions can splash and cause eye irritation or injury. Goggles provide a physical barrier to protect the eyes.
• Concentrated ammonia should never be poured directly down the drain: Concentrated ammonia is corrosive. Pouring it down the drain can damage plumbing fixtures and may react with other substances in the sewer system, causing environmental and safety issues.
• Aqueous ammonia is harmful to both humans and the environment: Aqueous ammonia can cause skin, eye, and respiratory irritation in humans. In the environment, it can alter the pH of water bodies, harming aquatic life.

Answer:

• Inhaling ammonia vapors can cause shortness of breath and even lung damage: True
• Concentrated ammonia should be handled in a well - ventilated area, such as a fume hood: True
• Goggles should be worn even when handling a dilute ammonia solution: True
• Concentrated ammonia should never be poured directly down the drain: True
• Aqueous ammonia is harmful to both humans and the environment: True