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प्रश्न
Name: Two carbonates do not produce carbon dioxide on heating.
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उत्तर
Na2CO3 and K2CO3
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संबंधित प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
Give an example of a reaction where the following are involved
Heat
Give an example of a reaction where the following are involved
Pressure
Give an example of the following chemical change.
A reaction where colour change is noticed
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Zinc carbonate.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Lead nitrate.
Discuss how acid rain occurs due to emission of smoke from vehicles and industries?
Anaerobic bacteria digest animal waste and produce biogas (Change – A). The biogas is then burnt as fuel (Change – B). The following statements pertain to these changes. Choose the correct one.
______ change results in the change of the substance.
______ occurs in the absence of air and in the presence of micro-organisms such as yeast.
