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A sp³ – hybrid orbital contains

A sp³ - hybrid orbital contains Options (a) 1/4 s-character (b) 1/2 s-character (c) 3/4 s-character (d) Any of these…

If uncertainty in position and momentum are equal, then uncertainty in velocity

If uncertainty in position and momentum are equal, then uncertainty in velocity is : Options (a) 1/2m x √(h/π) (b)…

The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹)

The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹) Options (a)…

An aqueous solution of glucose is 10% in strength. The volume in which 1g mole

An aqueous solution of glucose is 10% in strength. The volume in which 1 g mole of it is dissolved…

The weight of one molecule of a compound C₆₀H₁₂₂ is

The weight of one molecule of a compound C₆₀H₁₂₂ is Options (a) 1.2 x 10⁻²° gram (b) 1.4 x 10⁻²¹…

If 1 mL of water contains 20 drops then number of molecules in a drop of water

If 1 mL of water contains 20 drops then number of molecules in a drop of water is Options (a)…

The number of oxygen atoms in 4.4g of CO₂ is

The number of oxygen atoms in 4.4g of CO₂ is Options (a) 1.2 x 10²³ (b) 6 x 10²² (c)…

Assuming fully decomposed, the volume of CO₂ released at STP on heating 9.85g

Assuming fully decomposed, the volume of CO₂ released at STP on heating 9.85 g of BaCO₃(Atomic mass Ba=137) will be…

A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength

A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength will be(h=6.6 x 10⁻³⁴ Js)…

What is the ratio of mass of an electron to the mass of a proton?

What is the ratio of mass of an electron to the mass of a proton? Options (a) 1 : 1…