JEE MAIN Chemistry practice set

Q1. Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 × 103 ms –1 . (Mass of proton = 1.67 × 10–27 kg and h = 6.63 × 10–34 Js) (a) 0.40 nm (b) 2.5 nm (c) 14.0 nm (d) 0.32 nm Q2. The mass of potassium dichromate crystals required to oxidise...
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