1. A metal body of mass 77.6 g occupies a volume of 4 cm3. Identify the metal.   Iron with density = 7.9 g/cm3   Tungsten with density = 19.4 g/cm3   Aluminum with density = 2.7 g/cm3   Lead with density = 11.4 g/cm3   Hint Half-n-half Clue   2. The density of mercury is 13.6 g/cm3. So, the mass of 8 cm3 of mercury is   108800 g   1 g   108.8 g   None of these   Half-n-half Clue   3. One kg of air is compressed from 1 m3 to 0.5 m3. Which of the following statements is true?   The density is halved.   The mass is doubled.   The density is doubled.   The mass is halved.   Half-n-half Clue   4. Water has the maximum density at   -4oC   4oC   40oC   0oC   Half-n-half Clue   5. The density of water is about 100 kg/m3 at room temperature.   True   False   6. A metal body of mass 243 g occupies a volume of 90 cm3. Identify the metal.   Tungsten with density = 19.4 g/cm3   Lead with density = 11.4 g/cm3   Aluminum with density = 2.7 g/cm3   Iron with density = 7.9 g/cm3   Half-n-half Clue   7. The SI unit of density is   m3/kg   kg/m3   g/cm3   cm3/g   Half-n-half Clue