Chemistry - Single MCQs (Page 32)

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Q311. Energy produced in nuclear reaction is given by?...Q312. A particle which is four times in mass and two times in charge that of proton is...Q313. Water always contains hydrogen and oxygen in the ratio 1:8 by weight.This is in ...Q314. Neutrino has?...Q315. Nucleons are?...Q316. The oldest known organic compound is?...Q317. In the making of jewels, gold is usually mixed with?...Q318. In atomic reactors,graphite is used as?...Q319. Rutherford's alpha-scattering experiment related to the size of the?...Q320. A mixture of ethyl alcohol and water can be seperated by?...