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प्रश्न
Give an example of double displacement reaction, where a gas is evolved.
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उत्तर
\[\ce{Na2S + 2HCI -> 2NaCI + H2S ↑}\]
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संबंधित प्रश्न
Explain the types of reaction with reference to oxygen and hydrogen. Illustratre with examples.
State the type of reactions for the following represent and balance the ones that are not balanced.
2KClO3→ 2KCl + 3O2
State the type of reactions for the following represent and balance the ones that are not balanced.
KNO3 + H2SO4 → HNO3 + KHSO4
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 heat.
Give two balanced reactions for each.
Decomposition reactions can occur by sunlight.
Give two balanced reactions.
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
Give an example of a photochemical decomposition reaction.
Define a displacement reaction with a suitable example.
Convert an insoluble base
