General Chemistry 1_Review

How many atoms of each element are present in the compound Mn3(PO4)4?

• 3 manganese, 4 phosphorus, 4 oxygen

• 3 manganese, 1 phosphorus, 12 oxygen

• 3 manganese, 4 phosphorus, 16 oxygen

• 4 manganese, 3 phosphorus, 16 oxygen

Which technique uses chromatography paper to separate components of a mixture based on their solubility?

• Centrifugation 

• Chromatography

• Distillation  

•  Filtration

Which of the following chemical formulas represents a compound commonly used as a base in household cleaning products?

• CH₄  

• H₂O    

• NaOH

• SO₄
  
  

Which of the following represents a correct example of isobars?

• Carbon-12 and Carbon-14

• Hydrogen-1 and Helium-2

• Oxygen-16 and Nitrogen-16

• Deuterium and Tritium

Which is an example of a compound?

• Mercury

• Selenium

• Yttrium

• Ammonia

When a solid transform into gas, the liquid has undergone

• Evaporation

• Condensation

• Sublimation

• Melting

Which is an example of a solution?

• Rice and Water

• Salt and Water

• Oil and Water

• Sand and Water

A property that depends on the amount of matter in the sample is called a(n)

• Extensive property

• Intensive property

• Physical property

• Chemical property

Which of the following describes a chemical property?

• A mass of 37.55 g

• Aluminum is a silver-colored metal

• A butter melts when heated

• An iron bar rusts

Acidity, Reactivity, Combustbility and Toxocity are all?

• States of matter

• Physical properties of matter

• Chemical properties of matter

• Used to describe elements but not compounds