Advertisements
Advertisements
प्रश्न
_____ is the basic material to manufacture urea.
Advertisements
उत्तर
Ammonia is the basic material to manufacture urea.
APPEARS IN
संबंधित प्रश्न
How do the following help in bringing about a chemical change?
light.
How do the following help in bringing about a chemical change?
heat.
TRUE \ FALSE
Copper can displace iron from iron sulphate.
Give an example of the following chemical change.
Two gases combine to form white solid
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
Give a chemical test to distinguish between the following gases.
H2 and CO2
Give a word equation for the following reaction.
A salt which reacts with ammonium hydroxide to give a reddish brown precipitate.
A chemical change may involve –
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think formation of rust from iron is a chemical change?
Galvanization is a process in which ______ is coated as a layer of iron.
