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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
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उत्तर
Mercury [II] oxide HgO
On thermal decomposition, Mercury [II] oxide is evolved oxygen
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संबंधित प्रश्न
Explain, giving one example of the following chemical changes:
Double decomposition
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
Multiple choice:
The reaction BaCl2(aq) + H2SO4(aq) → BaSO4(s) + 2HCl(aq) is
Decomposition reactions can occur by electricity
Give balanced reactions.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc nitrate
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Convert nitrogen to ammonia by a direct combination reaction.
State how displacement reaction represented.
Convert an insoluble base
Differentiate between the following:
Synthesis reaction and a substitution reaction.
