8. A laboratory tool that is used to grip test tubes while being heated.A Test tube holderB. Test tube rackC. Ring standD. Tongs
1. 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.
2. what is the use of a test tube holder
to hold a test tube :D
3. The ring stand with the test tube holder and ring clamp is used for?
Question: The ring stand with the test tube holder and ring clamp is used for?
Answer: 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.
Explanation:
Always Use Search chrome or goggle
4. 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
5. 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.
6. 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*
7. 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
8. 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
9. 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
10. a laboratory tool that is used to grip test tubes while being heated
The answer is forceps.
the answer is test tube holder11. 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
12. test tubes : laboratory :: books : _______ A.library B. shelves C. bags D. table
Answer:
A library
Explanation:
Doon sya belong. yan yung sagot
13. 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 HELPS14. 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
15. 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?
16. 5. Which of the following procedure DOES NOT show good laboratory practice? A. Wear protective apparel. B. Keep the workplace clean and uncluttered. C. Hold the test tube using a test tube holder when heating it.D. When pouring liquid in a graduated cylinder, your eyes should be above the container.
Answer:
D. kailngan mo ata imeasure ung iaano mo sa cylinder.
17. 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.
18. put half a spoonful of sugar into a test tube using a test tube holder heat in over a light alcohol lamp observe what happens write down your answer observation.
Answer:
The sugar will melt
Explanation:
ofc its heat!
19. 2. Test tubes: laboratory:: book:
Test tube: laboratory
Book: Library
Answer:
Library
Explanation:
Kasi makikita ang book sa Library?
20. 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.
21. 8. Which laboratory apparatus you will use in getting the volume of water? A. test tube C. reagent bottle B. watch glass D. graduated cylinder
Answer:
a. test tube
explanation:hope it's help
Answer:
D. GRADUATED CYLINDER
Explanation:
Yan Po sagot
22. 2. Test tubes: laboratory:: book: Closet c. library b. Cabinet d. dictionary
Answer:
B. Cabinet
Explanation:
#carryonlearning
ANSWER:Library================
[tex]{\underline{\sf{ichthus898}}}[/tex]
23. 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
24. What is a Test Tube Holder all about?
Test tube holder, is a piece of laboratory equipment used to hold, store, and support lab tubes so that they do not roll away, tip over, break, or strike one another.
Good Day..
Test tube is a laboratory equipment which is used for testing liquid or substances undergoing chemical reaction. It also use to store small amount of substances and put in the test tube rack. Substances can be heated in the test tube and observed its chemical reaction. It is a U-shape glass vary in sizes and open on top.
Test Tube holder is the laboratory equipment used to hold test tubes especially when it is heated while observing the chemical reaction of substance inside it.
Hope it helps...=)
25. 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
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. 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
28. para saan po ang test tube holder? (need tagalog explanation po)
test tube ay para sa likidong pagpainit kapag may hawak na lalagyan na test tube hawakan ito upang ito ay nakahanay sa lab bench
It Holds A Test Tube,Kapag Tayo Po Ay Nag Experiment Kailangan Natin Ng Test Tube Holder Dahil Para Tayo Ay Hindi Mahirapan Ibuhos Ang Chemical Sa Isang Test Tube At Nilalagyan Ito Ng Test Tube Kung Hindi Ginagamit Sa Experiment...
Explanation:
Hope It Helps
29. 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
30. your classmate accidentally broke a test tube in the laboratory. what is your action?
Answer:
leave quickly at the laboratory
test tube is danger
