MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Extraction of Iron

Which of the ...

Question

Which of the following element is used in the extraction of Silicon when mixed with finely powdered silica:

A

Aluminum

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Copper

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Iron

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Magnesium

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
Magnesium

Finely powdered silica (sand and quartz) is mixed with magnesium powder and heated in a fire-clay crucible to obtain Silicon.
$S i O_{2} + 2 M g H e a t - -- \to S i + 2 M g O$

Suggest Corrections

thumbs-up

0

Similar questions

Q. When finely powdered silica is mixed with a magnesium powder and heated in fire-clay crucible to compounds are formed which are:

Q. Finely powdered silica is mixed with ___ powder and heated in a fire-clay crucible.

Q. The different stages of preparing amorphous silicon are given below.
I. Silica is finely powdered.
II. The product is washed with hydrochloric acid.
III. The mixture of powdered silica and magnesium is heated in a fire-clay crucible.
IV. The product is washed with hydrofluoric acid to remove unchanged silica.
The correct arrangement of the above stages is :

Q. Which of the following gas is liberated during extraction of crystalline silicon by reducing silica with coke?

Q. _____________ acid is used in the extraction process of amorphous silicon to remove unreacted silica.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Extraction of Iron

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Extraction of Iron

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon