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प्रश्न
State the inference drawn from the following observation:
A gas Q turns moist lead acetate paper silvery black. Identify the gas Q.
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उत्तर
The gas is H2S.
संबंधित प्रश्न
Give two examples of a normal salt.
Give two examples of a mixed salt.
Name a complex salt.
Identify the odd one out and justify.
Define an acid salt.
Define the following and give two examples in case an acid salt .
Why is toothpaste basic?
Identify the following:
A salt formed by the complete neutralization of an acid by a base.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On treating with concentrated sulphuric acid, this salt changes from blue to white.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
This salt gives nitrogen dioxide on heating.
