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प्रश्न
Multiple choice:
The reaction BaCl2(aq) + H2SO4(aq) → BaSO4(s) + 2HCl(aq) is
विकल्प
Displacement reaction
Neutralisation reaction
Decomposition reaction
Double displacement reaction
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उत्तर
Double displacement reaction
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संबंधित प्रश्न
What is a double displacement reaction?
Decomposition reactions can occur by heat.
Give two balanced reactions for each.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{4HNO3->4NO2 + 2H2O + O2}\]
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
Give a balanced equation for a direct combination reaction involving:
Two compounds – resulting in the formation of a weak acid
Give a balanced equation for thermal decomposition of ammonium dichromate
Name a metallic oxide which on thermal decomposition is reduced to metal.
Explain the term double decomposition precipitation reaction.
Give a balanced equation for the following type of reaction:
A soluble salt of lead formed from an insoluble base by double decomposition – neutralization.
