elsayedahmed

El Sayed Ahmed Saber Ibrahim

Lecturer - Lecture

Faculty of science

Address: 21 El Malak El Salah from Torat Baja Str. Sohag شارع المللك الصالح متفرع من شارع ترعة باجا 12

1

Like
2018-09-30 06:52:30 | 0 | Ore Deposits
Ore Deposits
* What is the mineral which contains a metallic element which can be economically exploited called? a) Ore mineral b) Metallic mineral c) Eco-ore d) Eco-mineral * The deposits that have formed simultaneously with the enclosing rock are called a) Syngenetic b) Epigenetic c) Syncgenetic d) Sinclogenetic * Type of veins which are bodies of tubular shape in pre-existing fissures ... Read more

2018-09-30 06:18:41 | 0 | Minerals and rocks
Minerals quiz 2
1- Minerals are inorganic in their composition. A- True B- False 2- Minerals lack a crystalline structure A- True B- False 3- Minerals can be man made in their origin A- True B- False 4- Minerals can form from a cooling magma or lava A- True B- False 5- Minerals can form by precipitation from solution A- True B- False ... Read more

2018-09-24 06:38:27 | 0 | Minerals and rocks
Minerals quiz
ON MOH'S HARDNESS SCALE, WHICH OF THE FOLLOWING MINERALS IS HARDER THAN QUARTZ? * Talc * Apatite * Gypsum * Diamond WHICH OF THE FOLLOWING TERMS IS NOT USED TO DESCRIBE A MINERAL'S LUSTER? 1- Shiny 2- Glassy 3- Dull 4- Hexagonal THE COLOR OF THE POWDER THAT A MINERAL LEAVES ON A PIECE OF WHITE, UNGLAZED 1-Hardness 2- Luster ... Read more

  • «
  • 1
  • »