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प्रश्न
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
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उत्तर
`"Na"_2"O"` (metal oxide) is basic oxide
To obtain alkali from `"Na"_2"O"`, dissolve basic oxide in water
\[\ce{Na2O + H2O->\underset{\text{alkali}}{2NaOH}}\]
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संबंधित प्रश्न
Explain, giving one example for each of the following chemical changes:
Displacement
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
State the type of reactions for the following represent and balance the ones that are not balanced.
2H2O2→ 2H2O + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO + 2HNO3→ Pb(NO3) + 2H2O
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Give two balanced reactions.
Give a balanced equation for the following reaction of synthesis involving the formation of:
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Define a displacement reaction with a suitable example.
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
Convert an insoluble base
Give a balanced equation for the following type of reaction:
A decomposition reaction of a salt which leaves behind a silvery metal.
