General Chemistry 11 First Quarter Examination 1
Quiz by Felina Sarmiento
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50 questions
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- Q1Which of the following is NOT true about chemical properties?Chemical properties are not readily seen that is the reason why chemical containers have labels indicating their chemical property.Chemical properties are those that can be identified directly without changing the identity or composition of a material.It can only be determined if there is a change in the molecular structure of a substance.Chemical change must occur for a chemical property to be observed and measured.30s
- Q2What can you use to separate pieces of iron from pieces of aluminum?Boil themMagnetMulti-meter testerthermometer30s
- Q3The chemical name of ________________ is sodium chloride.saltSugarAcetoneMethane30s
- Q4What is the chemical name of white vinegar?Acetic AcidMuriatic acidSalicyclic AcidAcetyl Acid30s
- Q5____ refers to the constituents of a productMatterCostConsumer productComposition30s
- Q6What do you call the goods that are bought for consumption by the average consumer?Consumer ProductsCompositionNecessityMatter30s
- Q7Which of the following mixtures could NOT be used in separating the components of mixtures through decantation?Quail eggs in hot waterUtensils in warm waterSugar in hot waterSand in a glass of water30s
- Q8____ is the process of separating the insoluble solid from the liquid substance by allowing the liquid to pass through a porous material.distillationmechanical separationdecantationfiltration30s
- Q9Which method uses the boiling point differences by gradually heating a mixture to separate parts of a liquid mixture?Mechanical separationFiltrationDecantationDistillation30s
- Q10Condensing means transforming from _____ to _____liquid to gasGas to liquidsolid to gasgas to solid30s
- Q11The atomic number of an atom is based upon the number of _______.electronsprotonsneutronsmegatrons30s
- Q12What is a radioisotope?A substance that produces radio wavesA substance made of stable, radioactive atomsA substance made of unstable, radioactive atomsA type of atom that is the size of a radio wave30s
- Q13The atomic mass number for carbon-14, meaning that carbon atoms have ____________.14 protons8 protons and 6 neutrons6 protons and 8 neutrons14 neutrons30s
- Q14Which of the following isotopes is used in medical diagnostic procedures?Californium-252Calcium-47Americium-241Carbon-1430s
- Q15Which of the following isotopes is used in industrial processes?Phosphorus – 32Krypton-85Xenon-133Technetium – 9930s