(a)
Interpretation: The physical property, melts at
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(b)
Interpretation: The physical property, insoluble in water should be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(c)
Interpretation: The chemical property, does not burn in air should be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
(d)
Interpretation: The physical property, is a liquid at room temperatureshould be matched to hexane,
Concept Introduction: The property that identifies only the form of a chemical substance and the chemical composition remains the same is said to be physical property. The property that described the ability of a substance to undergo chemical change is said to chemical property.
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Basic Chemistry
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- Explain in terms of forces between structural units why (a) HI has a higher boiling point than HBr. (b) GeH4 has a higher boiling point than SiH4. (c) H2O2 has a higher melting point than C3H8. (d) NaCl has a higher boiling point than CH3OH.arrow_forwardWhich of the following substances possess an internal structure of its constituent molecules that contain almost no empty space but allow freedom of movement? O Liquid alcohol (CH;CH2OH) O Vaporized alcohol (CH;CH2OH) O Carbon dioxide gas Solid carbon dioxide (as dry ice)arrow_forward25Which of the following statements is wrong about water: a. Water has a unique ability to dissolve many organic and inorganic compounds. O b. Water expands when it freezes. This is related to the crystal structure of ice. O. Virtually no water is pure; it can only be made in a laboratory. d. 80 elements have been detected in seawater. Chlorine, sodium, magneslum and boron are commercially extracted from sea water. O e. f. None of the above Previous pagearrow_forward
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