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Yes, you should always be sterile before performing any experiment as to not add any variables.

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14y ago

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What should you do before you prepare for a meal?

wash your hands


When would you wash your hands?

You should always wash your hands after you have been to the toilet and before eating meals. If you feel that you have touched a bacteria infested surface, it is always good to wash your hands.


Why do you have to wash your hands before and after a experiment?

Before so everything stays consistent and after so you're not all germy and stuff. :D


How many seconds should you wash your hands before cooking?

it doesn't matter how many seconds you should wash your hand, but that you wash them thorougly


Should you wash hands before touching hamster?

Yes, it is important to wash your hands before handling your hamster to prevent the transfer of germs or bacteria that could potentially make your hamster sick. This not only protects your pet but also promotes good hygiene for yourself.


Why must we wash our hands after experiments?

You must wash your hands after an experiment so you don't contaminate yourself with anything harmful.


What should you do before handling food three things?

Wash your hands and arms thoroughly and rinse them in clean water.


When should you wash baby's hands?

wash babies hands after changing their nappy/going to toilet, after blowing their nose, after playing outside, before eating


Should you always wash hands before putting on new pair of gloves?

Yes. You should not be handling fresh gloves with dirty hands.


What do you do before cooking?

You wash your hands and wash the equitment.


Why should we wash our hands before we consume food?

then all the germs in our hand will be washed


Why is it important to wash your hands after you an experiment?

As per the safety rules you must wash your hands after experimenting because when handling chemicals or bio-hazardous materials it might left some bacteria in your hands and you can be sick after that or you can get a disease. So always wash your hands with soap even though you wear gloves while experimenting.