What weight of calcium contains the same number of atoms as those in \ – McqOptions

MCQOPTIONS

1.	What weight of calcium contains the same number of atoms as those in \[3\text{ }g\] of carbon?
A.	\[10\,\,g\]
B.	\[20\,\,g\]
C.	Flamingo
D.	\[40\,\,g\]
Answer» B. \[20\,\,g\]

Discussion

No Comment Found

Related MCQs

All samples of pure water contain hydrogen and oxygen in the mass ratio of\[1:8\].To which of the following laws does the above statement is in agreement?
Calculate the weight in grams present in \[0.7\] moles of sodium.
What weight of calcium contains the same number of atoms as those in \[3\text{ }g\] of carbon?
The isotopes contain the same number of____ and different number of______.
Number of atoms present in \[5g\] of \[NaN{{O}_{3}}\]is:
Calculate the mass of \[{{H}_{2}}{{O}_{2}}\] contained in \[0.4\] mole of\[{{H}_{2}}{{O}_{2}}\].
How many grams of sodium oxalate are to be weighed to get 0.1 mole of sodium oxalate\[(N{{a}_{2}}{{C}_{2}}{{O}_{4}})\]?
The percentage of sulphur in sulphuric acid is :
The term ?mole? in chemistry was introduced by who of the following.
Number of atoms in 69 g of Na is :