ପ୍ରଧାନ ପୃଷ୍ଠା

ଉଇକିମିଡ଼ିଆ କମନ୍ସ

ଆଜିର ଚିତ୍ର

Interrupted Reading by French artist Jean-Baptiste-Camille Corot. Today is World Book Day.

^{+/− (or), +/− (en)}

ଆଜିର ମିଡ଼ିଆ

Preparation of amorphous silicon (1) and magnesium silicide (2), upon reduction of powdered sand with magnesium powder:

   (1) SiO2(s) + 2Mg(s) = Si(s) + 2MgO(s); and
   (2) 2Mg(s) + Si(s) = Mg2Si(s).

The reaction described by (1) is initiated by heating; then it is self-sustained and is highly exoenergetic.

^{+/− (or), +/− (en)}

ଯୋଗଦାନ

Browsing?: Please use the search box at the top of this page or the links to the right. Feel free to subscribe to our syndicated feeds.
Using?: To fulfill the free license requirements, please read our Reuse guide. You can also request a picture.
Identifying?: Have a browse through Category:Unidentified subjects. If you find something you can identify, write a note on the item's talk page.
Creating?: Check out all you need to know at our Contributing your own work guide.
and more!

Discussion?: See the list of discussion pages.; To explore more ways you can contribute to this project, check out the Community Portal.

Cologne Cathedral at night in Köln, Germany.

ସୂଚନା

ଯଦି ଆପଣ କମନ୍ସରେ ପ୍ରଥମଥର ପାଇଁ କିଛି ଖୋଜୁଥାନ୍ତି, ତେବେ ଆପଣ ହୁଏତ ବଛା ଚିତ୍ର, ଭଲ ଛବି କିମ୍ବା ମୁଲ୍ୟବାନ ଛବିରୁ ଆରମ୍ଭ କରିବା ପସନ୍ଦ କରିବେ ।

ଆପଣ Meet our photographers ଏବଂ Meet our illustrators ପୃଷ୍ଠାରେ ଅତ୍ୟନ୍ତ କୁଶଳୀ-ଅବଦାନକାରୀଙ୍କ କାମ ଦେଖିପାରିବେ । ଆପଣ ହୁଏତ ଏବର୍ଷର ଶ୍ରେଷ୍ଠ ଚିତ୍ର ଦେଖିବା ପାଇଁ ଆଗ୍ରହୀ ହେଇପାରନ୍ତି ।

ସୂଚୀ