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Oxygen. Photosythesis is characterized by the chemical equation: 6CO2 + 6H2O (+ light energy) --> C6H12O6 + 6O2
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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.
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
What is the source of error when using a test tube?
A test tube (or sample tube) has no errors.
If a tube of hydrogen gas is placed above a test tube of air why would the tube of air give a positive test for hydrogen after a few seconds?
the hydrogen would likely begin bonding with the oxygen in the test tube, and become heavier. As this product falls out, it would pull more hydrogen to the end of the tube, putting more hydrogen in contact with the oxygen, much the same way as an oil lamp pulls the oil fumes from the base of the lamp to the flame.
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.
If an inverted tube containing air is placed above a test tube of hydrogen why would the tube of air give a positive test for hydrogen after a few minutes?
This would happen because of the process of diffusion. Hydrogen molecules would move from the hydrogen test tube where they are highly concentrated to the air test tube where their concentration is low.
What is the test to show that a test-tube of gas contains carbon dioxide?
I'm not sure if it's an official test, but you could take a lit match and put it in the test tube (keeping the test tube right side up). If the test tube does contain carbon dioxide the match would be smothered since the carbon dioxide prevents oxygen from reaching the match.
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
Why do you flame the opening of a test tube or flask when removing by holding it ABOVE the flame?
Heat rises.
What you must do to inspect the drink tube assembly?
perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test
A population of yeast grows in a test tube under ideal conditions until it runs out of space in the test tube. Which kind of curve would accurately show the changes in this population?
An S-curve
What chemical test would you do to test for hydrogen halide acids?
Light a splint. Hold it above a test tube with the unknown gas in it and if the splint goes out with a sqeaky pop then there is hydrogen.
What is the source of error when using a test tube?
A test tube (or sample tube) has no errors.
Uses of test tube brush?
Test tube brush=use for cleaning test tubes
What is used to grip test tube?
Test tube holder
