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प्रश्न
Balance the following important equation:
Al2O3.2H2O + NaOH → NaAlO2 + H2O
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उत्तर
Al2O3.2H2O + 2NaOH → 2NaAlO2 + 3H2O
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संबंधित प्रश्न
Balance the following equation:
H2 + O2 → H2O
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Na + 3H2O->2NaOH + H2}\]
Magnesium ribbon is rubbed before burning because it has a coating of ____________.
Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
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`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 ?
Complete the missing component /variable given as x and y in the following reactions
`"Cu"("s") + 2"AgNO"_3("aq") -> "Cu"("NO"_3)_2("aq") + x("s")`
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.
A magnesium ribbon is burnt in oxygen to give a white compound ‘X’ accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound ‘Y’.
- Write the chemical formulae of X and Y.
- Write a balanced chemical equations when X and Y are dissolved in water.
The equation Na + H2O → NaOH + H2 is ______.
Complete and balance the following equation:
\[\ce{Cu + Conc{.} HNO3 ->}\]
