Kimyo” fanidan yakuniy nazorat savollari

143. Suyak tarkibidagi metall bu - … ?
A) P
B) Ca
C) Mg
D) Fe
144. Atmosferaga ajralib chiqayotgan qaysi gaz global isish muammosini keltirib chiqarmoqda?
A) O₂
B) CO₂
C) H₂
D) O₃
145. Lampochka ichidagi spiral qaysi metalldan yasalgan?
A) Magniy
B) Temir
C) Volfram
D) Kumush
146. Eng yengil metall bu - …?
A) Natriy
B) Xrom
C) Litiy
D) Bariy
147. Yer yuzida eng ko‘p tarqalgan element?
A) Oltin
B) Kislorod
C) Temir
D) Kalsiy
148. Yonish jarayoni qanday jarayon?
A) Fizik
B) Kimyoviy
C) Fizik-kimyoviy
D) Yonish jarayoni
149. Eng og‘ir metall bu - …?
A) Temir
B) Osmiy
C) Xrom
D) Oltin
150. Eng qimmat metall qaysi?
A) Oltin
B) Kumush
C) Osmiy
D) Kaliforniy
151. Nitrat kislotaning molekulyar massasi necha gramga teng?
A) 85
B) 98
C) 63
D) 36.5
152. Etilenning molekulyar massasi necha gramga teng?
A) 30
B) 28
C) 16
D) 44
153. Amiakning molekulyar massasi necha gramga teng?
A) 63
B) 17
C) 18
D) 44
154. Ohaktoshning molekulyar massasi necha gramga teng?
A) 196
B) 36
C) 100
D) 56
155. Xlor gazining molekulyar massasi necha gramga teng?
A) 35.5
B) 71
C) 36.5
D) 44