Hydrogen reacts with oxygen to produce a __________(red-coloured/pale blue-coloured) flame.
Therefore, hydrogen reacts with oxygen to produce a pale blue-coloured flame.
Name the product formed when hydrogen burns in air with a pale blue flame.
Hydrogen reacts with oxygen to produce a pale blue-colored flame.
Hydrogen burns in oxygen with a pale blue flame
When potassium reacts with cold water then hydrogen gas burns with a _____ coloured flame.