Test: Density - Chemical Engineering MCQ

Explanation: Teflon, also known as polytetrafluoroethylene has density 2200 kg/m³. It is a thermoplastic polymer, which is a white solid at room temperature. Density of snow, soil and sand are 110 kg/m³, 2050 kg/m³ and 1515 kg/m³ respectively.

Explanation: Paper density is used in pulp or fabric industry in order to measure of mass of the product per unit of area for a type of paperboard.

Explanation: Ice is water. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.

Explanation: Density of sand can vary depending on the grain size and moisture content and how tightly it is compacted.

Explanation: Snow is precipitation in the form of flakes of crystalline water ice that falls from clouds. It is a granular material, soft, white and fluffy structure.

Explanation: Cotton is a soft, fluffy staple fiber that grows in a boll. The fiber is spun into yarn or thread. Density of cotton is 80 kg/m³ while that of clay, coal and banana are 1460 kg/m³, 1350 kg/m³ and 980 kg/m³.

Explanation: It is also known as calcium hydroxide. It is a colorless crystal which is obtained from calcium oxide.

Explanation: It is granular and phaneritic in nature. This mainly consist of feldspar, mica and quartz.

Explanation: Density of leather is 998 kg/m³ while that of paper, balsa and snow are 930 kg/m³, 140 kg/m³ and 110 kg/m ³.

Explanation: Oak has spirally arranged leaves, with lobate margins in many species. There are strong molecular forces of attraction between their bonds.