Advertisements
Advertisements
प्रश्न
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Advertisements
उत्तर
`"Na"_2"O"` (metal oxide) is basic oxide
To obtain alkali from `"Na"_2"O"`, dissolve basic oxide in water
\[\ce{Na2O + H2O->\underset{\text{alkali}}{2NaOH}}\]
APPEARS IN
संबंधित प्रश्न
Explain, giving one example of the following chemical change:
Thermal dissociation
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO + 2HNO3→ Pb(NO3) + 2H2O
State the type of reactions for the following represent and balance the ones that are not balanced.
AgNO3 + NaCl → AgCl + NaNO3
Decomposition reactions can occur by electricity
Give balanced reactions.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
Convert hydrogen to hydrogen chloride by a direct combination reaction.
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
Explain the term double decomposition precipitation reaction.
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of sulphur dioxide with water gives ________.
Differentiate between the following:
Thermal decomposition & thermal dissociation.
