Advertisements
Advertisements
प्रश्न
Balance the following equation. Also name the product formed.
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
उत्तर
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2` Zinc chloride, Hydrogen
APPEARS IN
संबंधित प्रश्न
Give one example of a chemical reaction.
Balance the given equation:
H2O2 
H2O + O2
Balance the given equation:
AI(OH)3 
AI2O3 +H2O
Give one example of an exothermic reaction.
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.
Balance the following equation:
H2O + Cl2 → HCl + O2
Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Moles: 1 mole + ______ `→` ______ + ______
Write word equation for the following molecular equation:
\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]
Word equation:
State which form of energy is utilised in the above chemical reaction.
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Light energy
A dilute ferrous sulphate solution is gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?
