a) inorganic chemistry b) organic chemistry c) alchemy d) biochemistry e) none of the above
a) science b) alchemy c) chemistry d) scientific method e) none of the above
a) A hypothesis is a tentative proposal and a theory is a tested proposal. b) A hypothesis requires an experiment and a theory does not. c) A theory is a tentative proposal and a hypothesis is a tested proposal. d) A theory requires an experiment and a hypothesis does not. e) none of the above
a) entity b) formula unit c) atom d) molecule e) none of the above
a) atomic notation b) chemical formula c) atomic number d) chemical symbol e) none of the above
a) physical change b) atomic change c) molecular change d) chemical change e) none of the above
a) The substance has a fixed shape. b) The substance compresses negligibly. c) The substance has a fixed volume. d) all of the above e) none of the above
a) argon b) antimony c) arsenic d) aluminum e) none of the above
a) shiny luster b) ductile c) higher melting point d) conductor of electricity e) all of the above
a) 21 b) 45 c) 18 d) 4 e) none of the above
a) changing from a solid to a liquid b) releasing light c) changing from colorless to pink d) releasing gas bubbles e) none of the above
a) law of constant composition b) law of conservation of mass and energy c) law of conservation of energy d) law of conservation of mass e) none of the above
a) liquid state b) gaseous state c) solid state d) all of the above e) none of the above
a) chemical energy and heat energy b) nuclear energy and mechanical energy c) electrical energy and mechanical energy d) electrical energy and heat energy e) chemical energy and mechanical energy
a) NaClO3 b) NaCl c) Na2CO3 d) all of the above e) none of the above
a) producing bubbles after mixing solutions b) giving a precipitate after mixing solutions c) liberating heat after mixing solutions d) changing color after mixing solutions e) all of the above
a) converting gasoline to carbon dioxide and water b) digesting starch to give glucose c) grinding sucrose crystals into powdered sugar d) smoking tobacco e) generating carbon dioxide from baking soda and vinegar
a) atom b) entity c) formula unit d) molecule e) none of the above
a) light b) electrical c) nuclear d) chemical e) all of the above
a) chemical and mechanical energy b) chemical and heat energy c) electrical and mechanical energy d) electrical and heat energy e) nuclear and mechanical energy
When you have completed this quiz, press the ALL DONE-CHECK TEST button below to check the test! Then you may go back and change the incorrect answers before you submit the test. You may check the answers as many times as you need until you achieve a perfect grade. Sometimes the pop-up box does not appear when you click on the button after checking the test the first time. If this happens, minimize the test and the answer box will be behind the browser. close the box and maximize the test to continue checking the test and finally submitting it.
When you have finished checking the test, press the SUBMIT button to send answers to your instructor
Users whose browser does not support JavaScript, when you have completed this quiz click the submit button below to send answers to your instructor