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प्रश्न
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
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उत्तर
Ammonium dichromate (NH4)2Cr2O7
On thermal decomposition, Ammonium dichromate is not evolved oxygen.
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संबंधित प्रश्न
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
(a) Define the neutralization reaction with an example.
(b) Give a balanced equation for this reaction.
(c) Give three applications of neutralization reactions.
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2HgO → 2Hg + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
Fe + CuSO4→ FeSO4 + Cu
Complete the table given below.
| Heat on Copper Nitrate | Colour of acidic gas evolved |
Define the following type of chemical change or reaction with a suitable example.
Direct combination reaction or synthesis
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State the double decomposition – neutralization reaction with a suitable representation.
Complete the statement by filling in the blank with the correct word:
The neutral gas evolved when lead nitrate undergoes thermal decomposition is _________.
