SantabeHub
Home
Search
Search
Chemistry Questions
CHEMISTRY
HIGH SCHOOL
Which step would help a student find the molecular formula of a compound from the empirical formula?
CHEMISTRY
HIGH SCHOOL
Which compound is insoluble in water?(1) KOH (3) Na3PO4(2) NH4Cl (4) PbSO4
CHEMISTRY
HIGH SCHOOL
How do you know when the reaction between baking soda and an acid ingredient has ended
CHEMISTRY
HIGH SCHOOL
Which of the following conditions would most likely affect the rate of a chemical reaction? A. Increasing the number of reaction steps B. Decreasing the size of the reaction vessel C. Decreasing the amount of air in the reaction vessel D. Increasing the concentration of reactants
CHEMISTRY
HIGH SCHOOL
Other planets have an atmosphere, but Earth's is unique because it has large amounts of _____.nitrogenoxygenwater vapor
CHEMISTRY
HIGH SCHOOL
Prehistory can be described as _____.what happened last yearwhat happened millions of years agothe time prior to the use of written records
CHEMISTRY
HIGH SCHOOL
The digestion process starts in the _____.esophagusstomachsmall intestinemouth
CHEMISTRY
HIGH SCHOOL
A pH of 2 indicates a(n) _____.
CHEMISTRY
MIDDLE SCHOOL
Explain the function of ribosomes and why cells need them
CHEMISTRY
HIGH SCHOOL
If solving for the slope of the best fit line it is a good choice to choose the points on the line.TrueFalse
CHEMISTRY
MIDDLE SCHOOL
The mass in a chemical reaction is found in
CHEMISTRY
HIGH SCHOOL
Increasing the intensity and duration of an exercise program too quickly can lead to injury.
CHEMISTRY
HIGH SCHOOL
The Dome of the Rock and Al-Aqsa Mosque are located in what city?JerusalemCairoDamascusBaghdad
CHEMISTRY
HIGH SCHOOL
A person makes a 400 dollar deposit in a bank account in January. By December, the value of that deposit willA. be three hundred dollars.B. actually double.C. remain the same, plus interest.D. be two hundred dollars.
CHEMISTRY
HIGH SCHOOL
Henri Becquerel discovered radium and polonium.Please select the best answer from the choices providedTF
CHEMISTRY
HIGH SCHOOL
Which of the following instruments is used to measure air pressure? A. AnemometerB. ThermometerC. BarometerD. Hygrometer
CHEMISTRY
HIGH SCHOOL
When the first periodic table of the elements was published, the elements were arranged by atomic mass. Although several elements seemed out of order, later discoveries showed the order to be correct. Which event most likely helped the development of the periodic table?
CHEMISTRY
HIGH SCHOOL
Is freezing water a physical or chemical change
« Previous
Page 24
Next »