Hydrogen is used in oxy-hydrogen flames for melting metal...
Hydrogen is used in oxy-hydrogen flames for melting metals because it
evolves a lot of heat when burnt
combines explosively with oxygen
is a very light gas
is a rocket fuel
Correct answer is A
No explanation has been provided for this answer.
The figure above shows the electrolysis of molten sodium chloride. Z is the ...
An acid and its conjugate base...
Which of the following happens during the electrolysis of molten sodium chloride? ...
Isoelectronic species have the same number of ...
A 0.1moldm−3 solution of sodium hydroxide was diluted with distilled water to 0.001\(moldm^{-...
Which of the following raw materials is used in the plastic industry? ...
The region around the nucleus where electrons can be located is called? ...
The type of chemical bond that exists between potassium and oxygen in potassium oxide is ...