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प्रश्न
State the inference drawn from the following observation :
On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P?
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उत्तर
The cation P is Ca2+.
संबंधित प्रश्न
Give balanced chemical equations to prepare the following salts
Lead sulphate from lead carbonate
Define normal salt.
Give two examples of a mixed salt.
Name a basic salt.
Name a mixed salt.
Why common salt gets wet during rainy season?
Choose the correct answer from the options given below:
Which one is the acidic salt?
From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO3, CuSO4.5H2O, KNO3, NaCI, NaHSO4, Pb(NO3), ZnCO3, ZnSO4.7H2O
(a) An acid salt
(b) An insoluble chloride
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating
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.
An acid salt.
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.
