Ans 1: (Master Answer)
The atomic number and the atomic mass of iridium are 77 and 192.217 u ± 0.003 u respectively
The atomic number and the atomic mass of iridium are 77 and 192.217 u ± 0.003 u respectively
Study the flow chart given below.
What could P, Q, R and S be?
P | Q | R | S | |
A | Air | Oil | Rubber | Steel |
B | Alcohol | Air | Iron | Paper |
C | Carbon dioxide | Water | Steel | Ice |
D | Water | Oxygen | Ceramic | Oil |
The correct answer is C
Gases do not have a fixed shape and are compressible, liquids also do not have fixed shape but cannot be compressed as they have a fixed volume. Solids have fixed shape, fixed volume and can either float or sink in water depending upon their density.