function of test tube brush
1. function of test tube brush
Answer:
TUBE BRUSH
A test tube brush or spout brush is a brush used for cleaning test tubes and narrow mouth laboratory glassware, such as graduated cylinders, burettes, and Erlenmeyer flasks.
Explanation:
2. 2. Test tubes: laboratory:: book:
Test tube: laboratory
Book: Library
Answer:
Library
Explanation:
Kasi makikita ang book sa Library?
3. In a Science laboratory, there are 6 beakers and 10 test tubes. What is the ratio of test tubes to beakers?
Answer:
10:6IF YOU WHAT IT IN LOWEST TERM:5:3Step-by-step explanation:
10÷2=56÷2=65:6I HOPE IT HELPS4. your classmate accidentally broke a test tube in the laboratory.what would i do?
Use water and paper towel to clean up the spill; place the broken test tube in the disposal container specified by the teacher for sharp objects.
5. which of the fallowing laboratory apparatus is used to measure volume for heating purposes and a containerA. beaker B. test tube C.graduated cylinder D. Evaporating dish
Answer:
I think A. Po
Explanation:
sorry if wrong
6. Yuki has a different way of solving a problem. What scientific attitude is manifested by Yuki?curiositycritical thinkingconcerncreativityWhat laboratory instrument is used for heating substances?evaporating dishthermometertest tubesalcohol lampAna is doing an experiment in her Science class. She needs a laboratory instrument that can hold small amount of liquid. What laboratory instrument will Ana use?watch glasstest tubesbeakergraduated cylinder
Answer:
beaker
Explanation:
hmmm I think it's beaker
7. sile 1. Given the following laboratory apparatus: graduated cylinder, reagent bottle, test tubeand watch glass. Which will you use to get the volume of water? a. test tube c. graduated cylinder
Answer:
c graduated cylinder
Explanation:
pa brainliest comment po
8. Which of the following laboratory apparatus do NOT belong to group? Select one: a. Test tube b. beaker c. graduated cylinder d. Tripod
Answer:
d.tripod is not belong to the group
Answer:
D.
Explanation:
I guess,I'm not sure but yung test tube,beaker and graduated cylinder kasi is the same, so yon tripod lng naiba
9. 10. These laboratory tools are made of glass except, A. BeakerC. Test tube B. CrucibleD. Flask
Answer:
B.
Explanation:
Crucibles are usually made of alumina, porcelain or other metals.
10. 2. Test tubes: laboratory:: book: Closet c. library b. Cabinet d. dictionary
Answer:
B. Cabinet
Explanation:
#carryonlearning
ANSWER:Library================
[tex]{\underline{\sf{ichthus898}}}[/tex]
11. given tge following laboratory apparatus: graduated cylinder, reagent bottle, test tube and watch glass. Which will you use to get the volume of water
Answer:
GRADUATED CYLINDER
Explanation:
A graduated cylinder is what they will use to measure liquids. The numbers on the side of the cylinders help you determine the volume.
pa brainliest
(*ˊᗜˋ*)/ᵗᑋᵃᐢᵏ ᵞᵒᵘ*
12. Listing down functional and non-functional materials is one way to check and test the computer units in the laboratory. true or false
Answer:
true
Explanation:
Brainliest pls pls plls
Answer:
TRUE
Explanation:
TRULALUWALANG HALONG EKLABARBA
13. A sodium citrate tube is received in the laboratory for pt and aptt testing. results are as follows: pt
Answer:
the answer is on top of me
Explanation:
thank me later at paki brainlest
14. your classmate accidentally broke a test tube in the laboratory. what is your action?
Answer:
leave quickly at the laboratory
test tube is danger
15. 8. A laboratory tool that is used to grip test tubes while being heated.A Test tube holderB. Test tube rackC. Ring standD. Tongs
Answer:
A. Test Tube Holder.
Explanation:
Good Luck And Stay Healthy
Answer:
A. Test tube holderExplanation:
A test tube holder is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched.
16. What lab equipment is used for holding and organizing test tubes on the laboratory counter?
Test tube rack are use for holding and organizing test tube on the laboratory counter
Ans: rack
17. A 7.0-ml ethylenediaminetetraacetic acid (edta) tube is received in the laboratory containing only 2.0 ml of blood. if the laboratory is using manual techniques, which of the following tests will most likely be erroneous
Answer:
A false increase in hematocrit (Hct) value
Step-by-step explanation:
yan po ty
18. The ratio of test tubes to breakers in a science laboratory is 7:4 if there are 21 test tubes how many are breakers
Answer:
The answer is 12!
Explanation:
21 x 4/7
= 3 x 4
= 12
19. 10. These laboratory tools are made of glass except, A. BeakerC. Test tube B. CrucibleD. Flask
Answer:
A
Explanation:
hope it's help.. study well
B. Test tubeHope its help
20. test tubes : laboratory :: books : _______ A.library B. shelves C. bags D. table
Answer:
A library
Explanation:
Doon sya belong. yan yung sagot
21. test tube brush is used to stir solutions to dissolve substance (true or false)?
Answer:
Explanation:
The test tube is one of the most commonly used pieces of laboratory ware. Test tubes are the perfect shape and size to hold small amounts of substances, usually liquid, which are then manipulated in some way, such as being placed over the flame of a Bunsen burner.
HOPE IT HEPLS :)
22. the ratio of test tubes to beakers in a science laboratory is 7:4 if there are 21 test tubes, how many are beakers
Answer:
7:4 = 21:n
7n = 4 × 21
7n = 84
7n/7 = 84/7
n = 12therefore, there are 12 beakers in science laboratoryPROBLEM:
the ratio of test tubes to beakers in a science laboratory is 7:4 if there are 21 test tubes, how many are beakers
____________________
ANSWER:
[tex]{\large{\underline{\boxed{\sf{\green{x=12}}}}}}[/tex]
____________________
SOLUTION:
[tex]\small{ \tt \purple{7\div 4=21\div x}}[/tex]
[tex]\small{ \tt \purple{\frac{7\times 4x}{4}=\frac{21\times4x}{x} }}[/tex]
[tex]\small{ \tt \purple{7x=84}}[/tex]
[tex]\small{ \tt \purple{x=\frac{7}{84} }}[/tex]
[tex]{\large{\underline{\boxed{\sf{\green{x=12}}}}}}[/tex]
_____________________
Another technique for solving this problem:
[tex]\small{ \tt \purple{21 \times 4 \div7}}\\\small{ \tt \purple{=84\div 7}}\\\small{ \tt \purple{=\frac{84}{7} }}\\\small{ \tt \purple{=12}}[/tex]
____________________
#CarryOnLearning
23. function of test tube?
Test tubes are convenient containers for heating small amounts of liquids or solids with a Bunsen burner or alcohol burner. The tube is usually held by its neck with a clamp or tongs.
24. a laboratory tool that is used to grip test tubes while being heated
The answer is forceps.
the answer is test tube holder25. The ratio of test tubes to breakers in a science laboratory is 7:4.If there are 21 test tubes,how many are breakers?
Answer: The answer is 12
Step-by-step explanation: fist add write 7:4 and 21: x as fraction to make the process easier. Next is cross multiply so you'll get 21 x 4 and 7x
Equate them so you'll have 7x=84.Divide 84 by 7 so the x is 12
26. test tubes : laboratory :: books : _______ A.library B. shelves C. bags D. table
Answer:
B. Shelves
Explanation:
Baka yan ang answer
Answer:
shelves or table
Explanation:
Hope it helps not sure though
27. Describe the function of each laboratory instrument:11. Ring Stand – _____________________________________________________________12. Crucible Tongs – __________________________________________________________13. Test Tube Holder – ________________________________________________________14. Rubber Aspirator – _________________________________________________________15. Lab Coat/Gown – __________________________________________________________
11.In chemistry, a retort stand, also called a clamp stand, a ring stand, or a support stand, is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks..
12.Crucible tongs are scissor-like tools, but instead of having two blades, these tools are replaced with two pincers or pieces of metals that concave together, which allow the users to grasp a hot crucible, flasks, evaporating dishes, or even small beakers.
13.A test tube holder is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched. For example, a test tube holder can be used to hold a test tube while it is being heated.
14. Rubber Aspirator.It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. By using rubber bulb, the contact of the mouth to the chemicals can be avoided
15.A white coat, also known as a laboratory coat or lab coat, is a knee-length overcoat or smock worn by professionals in the medical field or by those involved in laboratory work. Doctors wear lab coats. The coat protects their street clothes and also serves as a simple uniform.
HOPE IT HELP.
28. What is a test tube how does it work?how does it function?
Answer:
What is test tube?
a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
How does a test tube work?
Test tubes intended for general chemical work are usually made of glass, for its relative resistance to heat. Tubes made from expansion-resistant glasses, mostly borosilicate glass or fused quartz, can withstand high temperatures up to several hundred degrees Celsius.
How does it function?
It to hold small amounts of substances, usually liquid, which are then manipulated in some way, such as being placed over the flame of a Bunsen burner.
29. Why is it important to heat up the neck of the bottle or any laboratory apparatus/ articles such as test tube during a laboratory activity especially when inserting a media inside of the bottle or test tube?
Answer:
to kill the bacterias inside the test tube?
30. 1. Which of the laboratory tools measure boiling point of mixtures and substances? A. Beaker B. Funnel C. Test tube D. Laboratory thermometer
Answer:
D po
Explanation:
hindi po ako sur ekung tama pero patama nalang po kubg mali
Answer:
.d po hehehheh
Explanation:
pa follow po
