Breathing in about 900 parts of ________ in a million parts of air for a short time causes fatigue, dizziness, and headache.
chloroform
Some air contaminants affect the nervous system even at small concentrations measured in parts per million.
Chloroform vapour is a volatile organic compound, and breathing it in affects the central nervous system, which causes fatigue, dizziness and headache.
Arsenic, pesticides and asbestos particles are harmful too, but their main effects are poisoning, systemic toxicity and lung disease over a long time, not these quick symptoms.
Hence, chloroform.
Similar Questions
- The oxides of carbon, nitrogen and sulphur that are released on burning fossil fuels are ______.
- Which of the following is commonly used to treat drinking water?
Paracetamol is found in first-aid boxes. When/why should these drugs be taken?
- LPG (Liquefied Petroleum Gas) is stored in cylinders in liquid form because:
Which of the following gases is used to prevent food material from getting oxidised?
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Important Questions from Chemistry in Everyday Life
Which of the following is a greenhouse gas?
I. Methane
II. Nitrous oxide
Which one of the following is used in soda-acid fire extinguishers?
The separation of two immiscible liquids can be done based on the difference in their_______.
Orange juice contains ______ acid due to which it tastes sour.
Impure water can be made pure
