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Chemistry Questions
CHEMISTRY
MIDDLE SCHOOL
Where is air pressure greater- In the Exosphere or Troposphere
CHEMISTRY
HIGH SCHOOL
Find the volume of 20.0 g of benzene
CHEMISTRY
HIGH SCHOOL
Increasing the intensity and duration of an exercise program too quickly can lead to injury.a. Trueb. False
CHEMISTRY
HIGH SCHOOL
High levels of cholesterol can first lead directly to __________.a. strokes b. arteriosclerosis c. heart attacks d. heart failure
CHEMISTRY
HIGH SCHOOL
A reaction that occurs when the reactants are simply put together isA. automatic.B. exothermic.C. spontaneous.D. endothermic.
CHEMISTRY
MIDDLE SCHOOL
Fireworks exploding in the sky and giving off light are an example of a(n) _____. a. exothermic change b. change in mass c. physical change d. endothermic change
CHEMISTRY
HIGH SCHOOL
Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today. A. leadB. oxygenC. oreD. hydrogen
CHEMISTRY
HIGH SCHOOL
Over-encouraging lesser skilled players can lead to embarrassment.a. Trueb. False
CHEMISTRY
MIDDLE SCHOOL
What can you infer about copper and silver based on their position relative to each other?
CHEMISTRY
HIGH SCHOOL
Are all elements abbreviated with one or two letters? If not, name some that aren't.
CHEMISTRY
MIDDLE SCHOOL
Kendall wants to determine if there is a trend in air temperature changes during April . Which procedure should she chose? A) measure the temperature every hour for 1 dayB) measure the temperature at noon everyday P.S This is Science
CHEMISTRY
MIDDLE SCHOOL
Why does table salt dissolve more rapidly than rock salt
CHEMISTRY
HIGH SCHOOL
The universe is mostly made up of what?
CHEMISTRY
HIGH SCHOOL
Which is the electronic configuration for oxygen?1s2 2s2 2p1 1s2 2s2 2p31s2 2s2 2p41s2 2s2 2p6
CHEMISTRY
HIGH SCHOOL
The force of attraction that the earth exerts on all objects is called
CHEMISTRY
HIGH SCHOOL
Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor.Please select the best answer from the choices providedTF
CHEMISTRY
HIGH SCHOOL
The ___________________ in the mouth secrete enzymes which help prepare the food for digestion in the stomach.a. teethB.tongueC.salivary glandsD.pancreas
CHEMISTRY
HIGH SCHOOL
What do scientists usually do if they can't draw clear conclusions?
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