One fermi is
A picometre is written as
One atmosphere is equal to
101.325 K pa
1013.25 K pa
None of these
Dimensions of pressure are same as that of
Energy
Force
Energy per unit volume
Force per unit volume
Giga
Nano
Mega
Exa
Given the numbers: 161cm, 0.161cm, 0.0161 cm. The number of significant figures for the three numbers are
3, 4 and 5 respectively
3, 3 and 3 respectively
3, 3 and 4 respectively
3, 4 and 4 respectively
Significant figures in 0.00051 are
5
3
2
4
Which of the following halogen can be purified by sublimation
A mixture of sand and iodine can be separated by
Crystallisatio
Sublimation
Distillation
Fractional distillation
Difference in density is the basis of
Ultrafiltration
Molecular sieving
Gravity Separation
Molecular attraction
Which of the following elements of matter would best convey that there is life on earth
Oxygen
Hydrogen
Carbon
Iron
The compound which is added to table salt for maintaining proper health is
KCl
The element similar to carbon is
Mg
Mn
Sn
Pb
Which of the following contains only one element
Marble
Diamond
Glass
Sand
In known elements, the maximum number is of
Metals
Non-metals
Metalloids
None of these