Chemistry
The metal which reacts with cold water to produce hydrogen is
- magnesium
- aluminium
- calcium
- iron
Related Questions
Define:
(a) catalytic hydrogenation
(b) oxidation
(c) reduction
(d) redox reaction
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
- hydrogen chloride
- water
- sodium hydroxide
- hydrochloric acid
In metal reactivity series, the more reactive metals are at
- top
- bottom
- middle
- none
Hydrogen is responsible for producing
- heat and light
- hydrogenated oil
- fertilizers
- all of the above