Question

CLASS 10
CHEMICAL REACTIONS AND EQUATIONS

NO SPAMMING
CONTENT QUALITY

Answer 1

Heya!!Here is your answer friend ⤵⤵
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⏪Copper Nitrate is a heated :


Cu(NO3)2 -----------CuO + NO2. + O2 .

➡It is a thermal decomposition reaction. Cooper nitrate decomposes to from copper oxide , nitrogen dioxide and oxygen .



⏪Aqueous solution of lead Nitrate and Pottasium iodide react with each other .


Pb(NO3)2 + KI ----------- Pb I2 + K(NO3)

➡It is a double displacement reaction. Here an exchange of ions take place between the reactant . It is also called a precipitation reaction . Here yellow precipitate of lead iodide are formed .

⏪Silver granules are dropped in copper sulphate solution .

Ag + CuSO4 --------------NO REACTION.

➡No Reaction takes place between them as silver being less reactive than copper cannot displace it from its aqueous solution .




Hope it helps you ✌✌☺☺

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Answer 2

Hey friend,

Here is your answer,
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(v)Aqueous solution of lead nitrate and potassium Iodide react with each other.

KI (aq)     +    Pb(NO₃)₂ (aq)  =======>   KNO₃ ( aq)    +    PbI₂ (s)
Potassium       Lead                                  Potassium            Lead
  Iodide           Nitrate                                   Nitrate               Iodide


(vi) Silver granules are dropped in copper sulphate solution.

Ag(s)   +   CuSO₄(l)    =========> No reaction
Silver        Copper
                Sulphate
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