Avogadros number may represent_________________?

Related Mcqs:

The number of moles of CO2 which contains 16 g of oxygen is__________________?

A. 0.25 B. 0.5 C. 0.75 D. 1...

Molecular ions are formed by passing______________________?

A. High energy electron beam B. ? – particle C. X-rays D. All of the above...

Butyl chloride gives possible isomers ?

A. 2 B. 3 C. 4 D. 5...

The balanced chemical equation for the reaction which occurs when Be is added to water is____________?

A. Be+2H2O?Be (OH)2+H2 B. Be+H2O?Be (OH)2+H2 C. Be+H2O?[Be (OH)4]+2+H2 D. no reaction...

Which of the following statement is correct ?

A. size of Cl atoms > Cl- ion B. size of Na+ ion < Na atom C. size of Na atom < Na+ ion D. Cl- < Na+...