Analyse the following and choose the correct statement(s)
i) An electron has considerable mass
ii) A hetero atomic molecule is formed from different kinds of atoms.
111) Mass number and atomic mass of an element are same
a) i, ii and iii are correct
b) i and iii are correct
c) only ii is correct
d) only iii is correct
Answers
Answer:
Analyse the following and Choose the correct statement.
1) An electric has contacted mass.
Answer:
Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
Explanation:
An inherently safe plant11, 12 relies on chemistry and physics to prevent accidents rather than on control systems, interlocks, redundancy, and special operating procedures to prevent accidents. Inherently safer plants are tolerant of errors and are often the most cost effective. A process that does not require complex safety interlocks and elaborate procedures is simpler, easier to operate, and more reliable. Smaller equipment, operated at less severe temperatures and pressures, has lower capital and operating costs.
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