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प्रश्न
Give an example of a reaction where the following are involved:
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उत्तर
\[\ce{Pb(NO3)2(s) + 2KI (s) -> 2KNO3 + PbI2 (s)}\]
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संबंधित प्रश्न
Give one example that illustrates the following characteristics of a chemical reaction:
Change in state
What are chemical reactions?
Fill in the blank
A new substance is always formed in a _______ change.
Give an example of the following chemical change.
A reaction where colour change is noticed
Complete and balance the following reaction:
\[\ce{Pb(NO3)2 ->[\Delta]}\]
Name: A greenish-yellow gas.
Give a chemical test to distinguish between the following gases.
NH3 and HCl
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.
