Choose the one alternative that best completes the statement or answers the ques
ID: 476876 • Letter: C
Question
Choose the one alternative that best completes the statement or answers the question. Of the following, only ______ a chemical reaction. melting of lead tarnishing of silver crushing of stone dropping a penny into a glass of water dissolving sugar in water SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Mass and volume are often referred to physical properties of substances. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Which states of matter are significantly compressible? liquids only gases only liquids and gases solids and liquids solids only A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL. What is the density of the object determined to an appropriate number of significant figures? 8 times 10^-1 g/mL 7.9 times 10^-1g/ml 7.86 times 10^-1 g/mL 7.839 times 10^-1 g/ml. 7.8586 times 10^-1 g/mL The correct result (indicating the proper number of significant figures) of the following problem (0.002843)(12.80184)/0.00032 113.74 113.73635 1.1 times 10^2 113.736 113.7 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Cu is the symbol for the element. ____Explanation / Answer
1) Of the given processes tarnishing of silver is a chemical reaction. (called as corrosion)
Silver tarnishes due to a reaction with sulfur in the air