Question

Give the value of Avogadro number
a) 6.022 x 10"
b) 6022 x 10
c) 6.002 x 10
d) 6.632 x 10
6. • Atoms of the same element, which have different mass numbers are called
a)Isobars
b)lsomers
c)Isotopes
distones
If the medium surrounding the cell has a lower concentration of water than the cell then such a
solution is called as
a)Hypotonic b)Isotonic
c)Semitonic
Hypertonic
Name the scientist who introduced the system of nomenclature.
a)Carolus Linnaeus b)Aristotle
c)Robert Hooke d Camillo Golgi
b.
Which of the following works on the principle of momentum?
a) A gun recoils after firing b)Rocket c) A hose pipe d)All the above
A body of mass Ikg is attracted by the earth with a force which is equal to
4. How much time will be required to perform 5201 of work at the rate of 20W?
a)24s
b)los
c)20s d)265​

Answer 1

Answer:

abcd

Explanation:

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