In Kjeldahl’s mathod, the nitrogen present is estimated as
In Kjeldahl's mathod, the nitrogen present is estimated as Options (a) N₂ (b) NH₃ (c) NO₂ (d) N₂O₃ Correct Answer:…
6 years ago
UP2011
In Kjeldahl’s mathod, the nitrogen present is estimated as
In Kjeldahl's mathod, the nitrogen present is estimated as Options (a) N₂ (b) NH₃ (c) NO₂ (d) N₂O₃ Correct Answer:…
6 years ago
An organic compound contains 40%C, 6.66% H and rest oxygen .its vapour density
An organic compound contains 40%C, 6.66% H and rest oxygen .its vapour density is 30.What will be its empirical formula…
6 years ago
Chinese white is
Chinese white is Options (a) ZnO (b) ZnCO₃ (c) ZnS (d) ZnS + BaSO₄ Correct Answer: ZnOExplanation:No explanation available. Be…
6 years ago
NO₂ is not obtained on heating
NO₂ is not obtained on heating Options (a) AgNO₃ (b) KNO₃ (c) Cu(NO₃)₂ (d) Pb(NO₃)₂ Correct Answer: KNO₃Explanation:NO₂ is prepared…
6 years ago
Which of the following is used to prepare Cl₂ gas at room temperature from
Which of the following is used to prepare Cl₂ gas at room temperature from concentrated HCl Options (a) MnO₂ (b)…
6 years ago
Which of the following is a tribasic acid
Which of the following is a tribasic acid Options (a) hypophosphorous acid (b) phosphorous acid (c) Orthophosphoric acid (d) pyrophosphoric…
6 years ago
Colloidal solution of gold is prepared by
Colloidal solution of gold is prepared by Options (a) colloidal mill (b) double decomposition method (c) Bredig's method (d) Peptization…
6 years ago
Which one of the following is an example of heterogenous catalysis
Which one of the following is an example of heterogenous catalysis Options (a) Oxidation of SO₂ and SO₃ by NO…
6 years ago
Which of the following ions has the maximum magnetic moment
Which of the following ions has the maximum magnetic moment Options (a) Mn²⁺ (b) Fe²⁺ (c) Ti²⁺ (d) Cr²⁺ Correct…
6 years ago