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1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics c. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy C. chemical energy D. potential energy B. kinetic energy

1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics c. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy C. chemical energy D. potential energy B. kinetic energy

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics C. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy B. kinetic energy C. chemical energy D. potential energy
Transcribed Image Text:1. Which activities involve chemistry? A. isolation of an anti-inflammatory extract from banaba plant B. testing different plants for their analgesic properties C. finding out how much heat is produced in burning 1.0 g of wood D. all of the above 2. Which of the following pairs is mismatched? A. organic chemistry: carbon-containing compounds B. polymer chemistry: plastics C. biochemistry: practical use of chemistry D. inorganic chemistry: mostly compounds with no carbon 3. Which of the following pairs do not match? A. heterogeneous mixture – hopia B. solution - iced tea C. element - copper D. compound - soft drinks 4. It states that same atoms are present before and after reaction. A. Law of Definite Proportion B. Law of Multiple Proportion C. Law of Conservation of Mass D. Law of Conservation of Energy 5. What type of energy is transferred as a result of temperature difference? A. heat energy B. kinetic energy C. chemical energy D. potential energy
6. In the following examples, which is a compound? A. dry ice C. soft drinks D. air B. diamond 7. Which of the following statement best describes the law of conservation of mass? A. Any sulfur dioxide (SO2) molecule is made up of 2 atoms of oxygen and 1 atom of sulfur. B. Carbon monoxide (CO) is composed of 1 carbon atom and 1 oxygen atom while carbon dioxide (CO2) has 1 carbon atom and 2 oxygen atoms. The mass of oxygen in a carbon monoxide molecule is doubled in a carbon dioxide molecule. C. A kid put a stone weighing two grams in a glass, which made the glass two grams heavier. D. For salt (NaCI) to be created, one atom of sodium should always pair with an atom of chlorine. 8. Which of the following does not describe Dalton's atomic theory? A. The atom is an indivisible particle which maintains its identity in physical and chemical changes. B. Atoms of the same element have the same mass. C. Compounds are combinations of two different elements. D. A chemical reaction involves rearrangement of the atoms of a compound. 9. Which of the following is not true about electrons? A. Electrons are negatively-charged particles. B. The number of electrons is always equal to the number of neutrons. C. Electrons surround the nucleus of the atom. D. Electrons are small in size compared to protons and neutrons. 10. Which of the following is equal to the mass number of an element when combined? I. proton II. neutron II. electron IV. lon A. I and II B. Il and II C. Il and IV D. I and IV 11. Which of the following statements is true about molecules and ions? A. lons can have a positive, negative, or a neutral charge. B. Molecules are atoms that are chemically bonded together. C. lons can either be an atom or a molecule. D. Molecules can be a combination of two or more atoms of the same element.
Transcribed Image Text:6. In the following examples, which is a compound? A. dry ice C. soft drinks D. air B. diamond 7. Which of the following statement best describes the law of conservation of mass? A. Any sulfur dioxide (SO2) molecule is made up of 2 atoms of oxygen and 1 atom of sulfur. B. Carbon monoxide (CO) is composed of 1 carbon atom and 1 oxygen atom while carbon dioxide (CO2) has 1 carbon atom and 2 oxygen atoms. The mass of oxygen in a carbon monoxide molecule is doubled in a carbon dioxide molecule. C. A kid put a stone weighing two grams in a glass, which made the glass two grams heavier. D. For salt (NaCI) to be created, one atom of sodium should always pair with an atom of chlorine. 8. Which of the following does not describe Dalton's atomic theory? A. The atom is an indivisible particle which maintains its identity in physical and chemical changes. B. Atoms of the same element have the same mass. C. Compounds are combinations of two different elements. D. A chemical reaction involves rearrangement of the atoms of a compound. 9. Which of the following is not true about electrons? A. Electrons are negatively-charged particles. B. The number of electrons is always equal to the number of neutrons. C. Electrons surround the nucleus of the atom. D. Electrons are small in size compared to protons and neutrons. 10. Which of the following is equal to the mass number of an element when combined? I. proton II. neutron II. electron IV. lon A. I and II B. Il and II C. Il and IV D. I and IV 11. Which of the following statements is true about molecules and ions? A. lons can have a positive, negative, or a neutral charge. B. Molecules are atoms that are chemically bonded together. C. lons can either be an atom or a molecule. D. Molecules can be a combination of two or more atoms of the same element.
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