Define RAM based on hydrogen as well as carbon-12 scale.

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Solution

RAM(Relative atomic mass) based on hydrogen scale: The relative atomic mass of an element is the ratio of mass of one atom of the element to the mass of one atom of hydrogen taken as standard.

RAM = $\frac{M a s s o f 1 a t o m o f e l e m e n t}{M a s s o f 1 a t o m o f h y d r o g e n}$

RAM(Relative atomic mass) based on carbon-12 scale: Relative atomic mass of an element is the ratio of mass of one atom of element to the 1/12th part of mass of one atom of carbon -12.

RAM = $\frac{M a s s o f 1 a t o m o f e l e m e n t}{\frac{1}{12} t h p a r t o f t h e m a s s o f 1 a t o m o f c a r b o n - 12}$

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Define RMM based on hydrogen as well as carbon-12 scale.

Q. Assertion :One atomic mass unit is defined as one twelfth of the mass of one carbon - 12 atom. Reason: Carbon - 12 isotope is the most abundant isotope of carbon and has been chosen as standard.

Q. There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:

(a) more of carbon but less of hydrogen
(b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen
(d) less of carbon as well as less of hydrogen

Q. The metal that gives hydrogen gas upon treatment with both acids as well as bases is:

There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
(a) more of carbon but less of hydrgogn (b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen (d) less of carbon as well as less of hydrogen

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