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Make ur hands move back and foth in a wifting motion so u can get the smell to come to your nose. dont get close to the chemical. Just make ur hand make a motion that makes the air and the odor of chemical to come to ur nose
Wiki User
∙ 14y ago
Wiki User
∙ 11y ago1. Put your nose on the same height as the source of the smell and about 10-30cm away
2. make some wind with your left arm, so that the fumes go toward your nose
3. inhale
Wiki User
∙ 14y agoHold the test tube around 30 cm away from your face then waft the air above the tube towards you and sniff.
Wiki User
∙ 12y agoYou go over the chemical, put your nose directly over the bottle, and inhale as much as you can so you get a good "feel" of it. Trust me, Im a scientist.
Wiki User
∙ 9y agoWave your hands over the test tube to direct some of the odor toward your nose.
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How is smelling the contents of a test tube done safely?
Never put your face directly over the test tube. Use your hand to fan the air above the test tube toward you and smell that way.
Which is the correct way to hold a test tube whike heating its unknown chemical?
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
Where was the test tube made?
when was test tube first made,when and who?
What is the function a test tube?
Like the function of a beaker; to hold chemicalsA test tube is another useful science equipment used in experiments. A test tube is used:-1. to carry solids or liquids in small quantity.2. to do experiments, such as knowing the nature of the substance poured in it( acidic, basic or neutral) .basically, test tube's function is to carry substances in science labs.
What are the classifications of test tube?
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
Why substance stick to the test tube?
The ability of a substance to stick on inside part of a test tube depends on its surface tension, that's why substances such as water can stick to a window. And the other reason for sticking of a substance to the test tube could be that the test tube itself is dirty, thus the dirt particles hold the substance in place.
Function of the test tube?
use to hold liqud or substance
How is smelling the contents of a test tube done safely?
Never put your face directly over the test tube. Use your hand to fan the air above the test tube toward you and smell that way.
Which is the correct way to hold a test tube whike heating its unknown chemical?
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
What do you use to clean the inside of a test tube?
You should use a test brush and a cleaning substance.
When you are heating materials in a test tube what is very important about the mouth of the test tube?
The most important aspect of heating liquids in a test tube is to never look directly into the mouth of the test tube, as liquid may spurt out and come into contact with your eyes or face. However, if you are wearing plastic safety glasses, the substance may not harm you, depending on the type of substance you are heating.
What laboratory tools are used measuring liquid substance?
beaker,test tube,
Why is not appropriate to smell evolving gas with test tube pointing at the nose?
The gas might be an irritant or toxic. Another possibility unrelated to the gas itself is that the contents of the test tube might unexpected be ejected from the test tube and hit you in the face!
What substance would the student expect to find if respiration occurred in the test tube?
Carbon Dioxide (CO2)
What does the term waft mean in a laboratory experiment?
Sometimes you have to smell things in labs. It is very dangerous to stick your nose over a test tube and sniff it so you have to waft it. You do this by holding the test tube or beaker away from you face and wave your hand over it trying to wave the smell towards your nose.
Where was the test tube made?
when was test tube first made,when and who?
What are the classifications of test tube?
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
