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प्रश्न
Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Molecules: 6.02 × 1023 + ______ `→` ______ + ______
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उत्तर
6.02 × 1023 + 12.04 × 1023 `→` 6.02 × 1023 + 12.04 × 1023
संबंधित प्रश्न
Balance the following equation:
Na + O2 
Na2O
Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.
Explain the following reaction with one suitable example .
Decomposition reaction
Write your observation for the following chemical reaction and name the product formed :
When ammonium chloride is heated with sodium hydroxide.
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.
Raisins are wiped off gently before final weighing with the help of
What information does the following chemical equation convey?
Zn + H2SO4 → ZnSO4+ H2
Write word equation for the following molecular equation:
\[\ce{N2 + 3H2 ⇌[Fe - 450°C][200 atoms] 2NH3 + \triangle}\]
Word equation:
State why [+ Δ] indication is seen after NH3.
State what 200 atmospheres – indicates.
State the function of Fe in the above reaction.
Write a balanced equation for the following word equation:
Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide
Which among the following is(are) double displacement reaction(s)?
- `"Pb" + "CuCl"_2 -> "PbCl"_2 + "Cu"`
- `"Na"_2"SO"_4 + "BaCl"_2 -> "BaSO"_4 + 2"NaCl"`
- `"C" + "O"_2 -> "CO"_2`
- `"CH"_4 + 2"O"_2 -> "CO"_2 + 2"H"_2"O"`
