Advertisements
Advertisements
Question
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]
Advertisements
Solution
\[\ce{Ca + 2H2O->Ca(OH)2 + H2}\]
APPEARS IN
RELATED QUESTIONS
Differentiate between:
Reactants and products.
Balance the following equation:
`Fe +O_2 → Fe_3 O_4`
Balance the following equation:
\[\ce{Pb3O4->PbO + O2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{ZnO + 3NaOH->Na2ZnO2 + H2O}\]\
Balance the following important equation:
Mg3N2 + H2O → Mg(OH)2 + NH3
Balance the following important equation:
NH3 + CuO → Cu + H2O + N2
A teacher gave two test tubes to the students, one containing water and the other containing sodium hydroxide. She asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for identification?
Which among the following change is exothermic or endothermic in nature?
Dilution of sulphuric acid
What happens when a piece of
- zinc metal is added to copper sulphate solution?
- aluminium metal is added to dilute hydrochloric acid?
- silver metal is added to copper sulphate solution?
Also write the balanced chemical equation if the reaction occurs.
Balance the following equation.
\[\ce{Calcium chloride + Sulphuric acid -> Calcium sulphate + Hydrogen chloride}\]
