Question

pls answer, i will mark brainliest

Answer 1

chalk powder by threshing

powered camphor by sublimation

common salt by evaporation

hope it helps you

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Answer 2

Answer:

$\: \: \: \: pour \: the \: mixture \: of \: common \: salt \: chalk \: powder \: and \: powdered \: camphor \: into \: a \: glass \: of \: water. \\ \: \: \: after \: few \: minutes \: we \: will \: find \: that \: common \: salt \: is \: dissolved \: in \: water \: but \: there \: is \: a \: mixture \: of \: chalk \: powder \: and \: powdered \: camphor \: in \: the \: bottom \: of \: the \: glass \: left \: as \: a \: sediment. \\ \: \: \: now \: common \: salt \: dissolved \: along \: with \: water \: can \: be \: separated \: in \: another \: container\: by \: decantation. \\ \: \: \: now \: water \: is \: evaporated \: and \: we \: get \: common \: salt. \\ \: \: \: now \: heat \: the \: mixture \: of \: chalk \: powder \: and \: powdered \: camphor. \: we \: will \: notice \: that \: powdered \: camphor \: converts \: into \: a \: gas \: as \: it \: is \: a \: sublimate. \\ \: \: \: thus \: powdered \: camphor \: is \: also \: separated . \\ \: \: \: and \: we \: also \: get \: separated \: chalk \: powder.$

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