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This depends on the context. Obviously, keep flames and sparks away. Hydrogen explodes when it is already mixed with air. In the lab, when generating hydrogen to burn at the end of the apparatus, it is important not to light it until you are sure that enough hydrogen has been produced to flush the air from the apparatus. You do this by collecting a small tube of gas at the outlet and igniting it at a distant flame. If the pop is squeaky, there is still air present. It's safe to light the jet when the pop is very quiet.
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∙ 9y ago
Wiki User
∙ 12y agodo not mix explosive elements or compounds
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Can I store flammable liquids in a storage unit?
Storing flammable liquids require safety and precaution. If you plan on storing flammable liquids in a storage unit, it is highly recommended to label the storage units accordingly This will avoid any accidents.
What is the precaution steps in the experiment of the determination of the molar mass of a volatile liquid?
make sure the flask is cooled about 15 minutes before weighing the flask to avoid the mass error
How do you avoid burns in the chemistry lab?
Don't splash burning substances on exposed skin, apply a solution of hydrochloric acid and petrol to your hair and face and avoid Bunsen flames.
What is the next steps after ''chemical splatters into the eye''?
Well if a chemical splatters in your eyes, you would probably go to the eye wash station in the room. To avoid that, you should always wear safety goggles when doing an experiment involving chemicals
What safety precautions must you take when using acids?
Aviod ingestion and skin contact. Avoid ingestion and skin contact.
A safety precaution th researcher should take to avoid contact with bacteria?
wear gloves -yes i was the first to answer this question - (cheese) =)
Which of the following is not a safety precaution to take in order to avoid wildlife?
Make as little noise as possible
What safety precaution should you take when towing a skier?
Avoid congested areas near beaches, docks, and swimming areas.
Which is not a safety precaution to take in order to avoid wildlife?
Make as little noice as possible
What is a safety precaution?
A safety precaution is any action taken before an activity to prevent danger or risk during the activity. An example would be to keep a work area clean at all times to avoid accidents or to wear protective gloves and glasses when working with hazardous chemicals.
Why do you need to observe safety precaution?
To avoid getting injured. And if it's at work, you might get fired for not following rules, as the company don't want to pay for anuy damages you might cause for not following safety rules.
What safety precautions are appropriate in computer hardware troubleshooting?
some of the safety precaution in troubleshooting a PC. 1. take off all the accessories in your body to avoid accident. 2. put all the sensitive devices in a proper place to avoid damage. 3. make sure that you know what are you doing.
Precautions taken to avoid water pollution in the locality?
what are the precaution taken to avoid water pollution
Why should safety first be stressed in shop class?
To avoid accidents.
What precaution should be taken for hyperthyroidism?
One of the most important precautions to take if you have a hyperthyroid condition is to avoid consuming too much iodine.
What is the best precaution of avoiding pregnancy for one year?
The best precaution is to avoid sex altogether. You may want to settle for second best!
What precaution should be taken when refueling?
Ensure there are no naked flames or the chance of a spark igniting fumes. Also, avoid spillage of fuel onto the ground.
