1 mole of electron has mass in microgram_________________?

Related Mcqs:

moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

A. 0.18 mole B. 0.27 mole C. 0.24 mole D. 0.09 mole...

1 a.m.u =__________________?

A. 1.6 x 10-27 kg B. 1.6 x 10-24 kg C. 1.6 x 10-26 kg D. 1.6 x 10-28 kg...

Methyl alcohol is not used as___________________?

A. a solvent B. an anti freezing agent C. a substitute for petrol D. for denaturing of ethyl alcohol...

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

A. phenol is unsaturated B. 2-bromophenol is insoluble in water C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack D. acid-base reaction...

Which of the following elements react with steam to produce H2 gas?

A. Pd B. Ni C. Sn D. All of the above...