Which of the following is the correct order of decreasing...
Which of the following is the correct order of decreasing activity of the metals Fe, Ca, Al and Na?
Fe> Ca> Al> Na
Na> Ca> Al> Fe
Al> Fe> Na> Ca
Ca> Na> Fe>, Al
Correct answer is B
The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.
Which of the following electron transition results in the emission of energy? ...
The products of the thermal decomposition of ammonium trioxonitrate (V) are...
Chlorophyll obtained from green leaves of plant can be shown to be composed of more than one co...
The boiling point of pentane is higher than that of propane because? ...
MgO does not readily dissolve in water because ...
The minimum amount of energy required for a reaction to take place is ...
Which of the following substances does not have van der Waals' forces? ...