مشاهدة النسخة كاملة : اسئله من كتاب المدرسه


xxx_xxxxx
18-04-2014, 02:08 PM
mention one function only: calcium hydroxide

mention most importanct uses of: sodium nitrate

ammonium nitrate decompose by heat into .....and.

xxx_xxxxx
19-04-2014, 06:55 PM
مفيش اى رد؟

x_moor
20-04-2014, 02:14 AM
ammonium nitrate decomposes into ammonium nitrite & oxygen
calcium hydroxide discover presence of carbon dioxide
NaNo3 was used in The manufacture of explosives

xxx_xxxxx
21-04-2014, 11:04 PM
thks 4 the reply MR x_moor
but i thnk tht ammonium nitrate doesnt decompose into nitrite plus it was n't on 3rd prep science book
agrred with u abt lime water
NaNo3 used in explosive aka potassium nitrate- wasn't mentioned on school book 2-

rery11
26-04-2014, 07:49 PM
مشكووووووووووووووووووووووووووووووووووووووووووووووو ووووووووووووووووووووووووووووووووور على ايه