Advertisements
Advertisements
प्रश्न
Balance the following equation:
PbS + O2 → PbO + SO2
Advertisements
उत्तर
2PbS + 3O2 → 2PbO + 2SO2
APPEARS IN
संबंधित प्रश्न
Translate the following statement into chemical equation and then balance it.
Hydrogen gas combines with nitrogen to form ammonia
The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
(a) What is metal M?
(b) What is solution S? Is it acidic or alkaline?
(c) What is gas G?
(d) Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
(e) Is this reaction exothermic or endothermic?
Balance the following equation. Also name the product formed.
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
Balance the following equation:
P + HNO3 → NO2 + H2O + H3PO4
Define: Endothermic reaction
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Give word equation for the following chemical reaction and give the names of the product formed.
NH3 + HCl→ NH4Cl
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓
Balance the following simple equation:
NO + O2 → NO2
Write a balanced equation for the following word equation:
Iron + Hydrochloric acid → Iron [II] chloride + Hydrogen
