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Only selected steps of silicon preparation are jumbled below after inserting few irrelevant steps. The option with correct order of only right steps is

(i) Heat the fire clay crucible

(ii) Mixtures of silica and magnesium powders are taken in the fire clay crucible.

(iii) Water is added to the crucible.

(iv) Crystal form of silicon is obtained.

(v) Hydrofluoric acid is used.

(vi) Amorphous form of silicon is obtained.

(a)

i, ii, iv, v

(b)

ii, iii, v, vi

(c)

ii, i, iv, v

(d)

ii, i, v, vi



Question ID - 154588 | SaraNextGen Top Answer

Only selected steps of silicon preparation are jumbled below after inserting few irrelevant steps. The option with correct order of only right steps is

(i) Heat the fire clay crucible

(ii) Mixtures of silica and magnesium powders are taken in the fire clay crucible.

(iii) Water is added to the crucible.

(iv) Crystal form of silicon is obtained.

(v) Hydrofluoric acid is used.

(vi) Amorphous form of silicon is obtained.

(a)

i, ii, iv, v

(b)

ii, iii, v, vi

(c)

ii, i, iv, v

(d)

ii, i, v, vi

1 Answer
127 votes
Answer Key / Explanation : (d) -

ii, i, v, vi

127 votes


127