Advertisements
Advertisements
प्रश्न
Balance the following simple equation:
Fe + Cl2 → FeCl3
Advertisements
उत्तर
2Fe + 3Cl2 → 2FeCl3
APPEARS IN
संबंधित प्रश्न
Why should a magnesium ribbon be cleaned before it is burnt in the air?
Translate the following statement into a chemical equation and then balance the equation:
Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.
Balance the following equation:
\[\ce{Fe + O2 -> Fe2O3}\]
State one characteristic of the chemical reaction which takes place when quicklime is treated with water.
A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed them again, and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship.
Write down what you understood from the following chemical reaction.
AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)
Name the following:
Two non-metal which react explosively when brought in close contact.
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
Which of the following are exothermic processes?
- Reaction of water with quick lime
- Dilution of an acid
- Evaporation of water
- Sublimation of camphor (crystals)
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
