Which of the following processes does not involve oxidation of iron
Which of the following processes does not involve oxidation of iron Options (a) Decolourization of blue CuSO₄ solution by iron…
8 years ago
Questions
The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons
The number of d-electrons in Fe²⁺(Z=26) is not equal to the number of electrons in which one of the following…
8 years ago
Nitrogen dioxide and sulphur dioxide have some properties in common.
Nitrogen dioxide and sulphur dioxide have some properties in common.Which property is shown by one of these compounds, but not…
8 years ago
‘Metals are usually not found as nitrates in their ores”. Out of the following two
'Metals are usually not found as nitrates in their ores''. Out of the following two (i) and (ii) reasons which…
8 years ago
When initial concentration of a reactant is doubled in a reaction, its half-life
When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected.The order of the…
8 years ago
The activation energy of a reaction can be determined from the slope
The activation energy of a reaction can be determined from the slope of which of the following graphs Options (a)…
8 years ago
A device that converts energy of combustion of fuels like hydrogen and methane,
A device that converts energy of combustion of fules like hydrogen and methane,directly into electrical energy is known as: Options…
8 years ago
Which one is not equal to zero for an ideal solution
Which one is not equal to zero for an ideal solution Options (a) ΔS(mix) (b) ΔV(mix) (c) ΔP = P(observed)-P(Raoult)…
8 years ago
The boiling point of 0.2 mol kg⁻¹ solution of X in water is greater than equimolal
The boiling point of 0.2 mol kg⁻¹ solution of X in water is greater than equimolal solution of Y in…
8 years ago
Which one of the following electrolytes has the same value of van’t Hoff’s factor
Which one of the following electrolytes has the same value of van't Hoff's factor(i) as that of the Al₂(SO₄)₃ (if…
8 years ago