which of the following halides has maximum
Which of the following halides has maximum melting point:
(1) NaCl
(2) NaBr
(3) Nal
(4) NaF
Ans: NaF
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the half-life of an isotope of an element is 5 days the mass of a 10 gram sample of this isotope remaining after 20 days isa 0312 gramsb 0625 gramsc
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