Which state of matter has the lowest density ?

Related Mcqs:

1. Which one has the lowest density at room temperature ?

   A. Ne
   B. N2
   C. NH3
   D. CO

2. At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?

   A. Half
   B. Double
   C. Same
   D. None

3. Which of the following has lowest lattice energy?

   A. LiF
   B. NaCl
   C. KBr
   D. CsI

   Submitted by: Abdul Basit Lashari

4. What is the simplest form of matter ?

   A. Gas
   B. Liquid
   C. Solid
   D. Semi solid

5. In how many forms do matter exists ?

   A. Three
   B. Four
   C. Five
   D. Two

6. What is the abundant form of matter on earth ?

   A. Gas
   B. Liquid
   C. Solid
   D. Plasma

7. When water freezes at 0°C its density decreases due to_______________?

   A. Change of bond angles
   B. Cubic structure of ice
   C. Empty space present in the structure of ice
   D. Change of bond length

8. Density of H2SO4 in lead accumulator is__________________?

   A. 1.25g/cm3
   B. 1.3g/cm3
   C. 1.20g/cm3
   D. 1.15g/cm3

9. The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________?

   A. CH4
   B. CO2
   C. C2H4
   D. Xe

   Submitted by: Muhammad Ali Kunbhar

10. A gas was found to have a density of 0.0847g/L at 17°C and a pressure of 760 torr. The gas must be?

    A. CH4
    B. He
    C. N2
    D. None of These

    Submitted by: Abdul