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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Washing soda
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उत्तर
Washing soda Na2CO3
On thermal decomposition, washing soda is not evolved oxygen.
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संबंधित प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{AgNO3 + HCl->AgCl + HNO3}\]
Define the following type of chemical change or reaction with a suitable example.
Decomposition reaction
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 the following reaction of synthesis involving the formation of:
An acid – from sulphur dioxide gas
Define a thermal dissociation reaction with a suitable example.
Convert an insoluble base
Convert a soluble base to their respective soluble salts by neutralization reaction.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
Give a balanced equation for the following type of reaction:
A soluble salt of lead formed from an insoluble base by double decomposition – neutralization.
