The energy evolved when magnesium burns in air is in the ...
The energy evolved when magnesium burns in air is in the form of
heat
heat and sound
light and heat
sound
Correct answer is C
When a piece of magnesium ribbon is ignited, light and heat are produced.The reaction is an exothermic reaction, as well as one that produces light energy.
In the periodic table, alkaline earth metals can be found in group ...
What is the colour of phenolphthalein indicator in a basic medium? ...
Which of the following scientists discovered the electrons? ...
The Arrhenius equation expresses the relationship between the speed of a reaction and its ...
MnO-4(aq) + Y + 5Fe2+(aq) → Mn2+(aq) + 5Fe2+(aq) + 4H2O(l) In the equation above, Y is...
Diamond is a bad conductor of electricity because its bonding electrons are used in ...
A particle that contains 8 proton, 9 neutrons and 7 electrons could be written as? ...
The gas used in the manufacture of vanaspati from vegetable oil is ...