#1
Which instrument is commonly used to measure the volume of a liquid in Chemistry?
Burette
ExplanationBurette is commonly used due to its high precision and accuracy in measuring liquid volume.
#2
What unit is typically used to measure mass in Chemistry?
Gram
ExplanationGram is a fundamental unit for measuring mass in the metric system.
#3
What does the term 'molarity' represent in Chemistry?
Concentration of a solution
ExplanationMolarity indicates the concentration of a solution, expressed in moles of solute per liter of solution.
#4
Which of the following is NOT a unit of pressure?
Newton
ExplanationNewton is a unit of force, not pressure.
#5
Which of the following is a primary unit of measurement in the International System of Units (SI) for temperature?
Kelvin
ExplanationKelvin is the base unit of temperature in the SI system.
#6
What is the SI unit for measuring electric current?
Ampere
ExplanationAmpere is the unit of electric current in the SI system.
#7
What is the term for the amount of substance in Chemistry, usually measured in moles?
Mole fraction
ExplanationMole fraction is the ratio of moles of one component to the total moles in a mixture, not the amount of substance.
#8
What is the purpose of using a graduated cylinder in Chemistry experiments?
To measure volume of a liquid
ExplanationGraduated cylinders are used to precisely measure the volume of liquids.
#9
Which of the following is NOT a unit of measurement in Chemistry?
Newton
ExplanationNewton is a unit of force, not typically used in Chemistry.
#10
What does the term 'stoichiometry' refer to in Chemistry?
Study of quantities of reactants and products in chemical reactions
ExplanationStoichiometry deals with the calculation of reactants and products in chemical reactions based on the law of conservation of mass.
#11
Which of the following units is used to measure energy in Chemistry?
Joule
ExplanationJoule is the SI unit of energy, commonly used in Chemistry.
#12
What is the SI unit for measuring luminous intensity?
Candela
ExplanationCandela is the SI unit for luminous intensity.