Advertisements
Advertisements
प्रश्न
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]
उत्तर
\[\ce{Ca + 2H2O->Ca(OH)2 + H2}\]
APPEARS IN
संबंधित प्रश्न
What are the limitations of a chemical equation ?
Balance the following equation. Also name the products formed.
Ag +S → `Ag_2 S`
Balance the following equation:
\[\ce{C + H2SO4->CO2 + H2O + SO2}\]
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Balance the following important equation:
CuSO4 + NaOH → Na2SO4 + Cu(OH)2
Balance the following important equation:
(NH4)2SO4 + NaOH → Na2SO4 + H2O + NH3
Balance the following important equation:
NH3 + O2 → NO + H2O (catalytic oxidation of NH3)
Balance the following important equation:
S + HNO3 (conc.) → H2SO4 + H2O + NO2
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.
