A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained. Residue left(assuming non…
7 years ago
Easy
A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight
A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight. The ratio of their…
7 years ago
If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ)
If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ) of the photon…
7 years ago
The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy
The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is Options (a) 6.626 x…
7 years ago
The momentum of a particle having a de Broglie wavelength of 10⁻¹⁷metres is
The momentum of a particle having a de Broglie wavelength of 10⁻¹⁷metres is (Given h= 6.625 × 10⁻³⁴Js) Options (a)…
7 years ago
Ratio of Cᵥ and Cᵥ of the gas X is 1.4. The number of atoms of the gas X present
Ratio of Cᵥ and Cᵥ of the gas X is 1.4. The number of atoms of the gas X present…
7 years ago
Gram molecular volume of oxygen at STP is
Gram molecular volume of oxygen at STP is Options (a) 3200 cm³ (b) 5600 cm³ (c) 22400 cm³ (d) 11200…
7 years ago
If ionization potential for hydrogen atom is 13.6eV, then ionization potential
If ionization potential for hydrogen atom is 13.6eV, then ionization potential for He⁺ will be Options (a) 54.4 eV (b)…
7 years ago
The correct set of four quantum numbers for the valence electron of rubidium atom
The correct set of four quantum numbers for the valence electron of rubidium atom(Z=37) is Options (a) 5,1,1,+½ (b) 6,0,0,+½…
7 years ago
If 30 mL of H₂ and 20 mL of O₂ reacts to form water. what is left at the end
If 30 mL of H₂ and 20 mL of O₂ reacts to form water. what is left at the end…
7 years ago