TEST
1.Avogadro soni deb qanday fizik kattalikka aytiladi ?
A) 12 g ugleroddagi atomlar soniga
B) 1 mol moddadagi zarralar soniga
C) 32 g kisloroddagi molekulalar soniga
D) Javoblarning hammasi to‘gʻri.
2. Moddaning molyar massasi deb nimaga aytiladi?
A) 273 K da 1m
3
hajmdagi modda massasiga
B) Molekulaning grammlarda ifodalangan massasiga
C) Berilgan modda atomi massasining uglerod atomi massasining uglerod
massasining 1/12 qismiga nisbatiga
D)
23
10
6
ta zarrachadan tashkil topgan modda massasiga
3.Uglerod atomining massasini aniqlang (kg).
A)
27
10
2
,
7
B)
26
10
2
C)
26
10
5
D)
26
10
6
4. 108 sm
3
hajmdagi suvda nechta molekula bor ?
A)
24
10
2
,
1
B)
24
10
6
,
3
C)
24
10
4
,
2
D)
24
10
6
5. 32 gr massali kislarod moddasining miqdorini (mol) aniqlang?
A) 32 B) 16 C) 2 D) 1
6. Massasi 36 mg suvda nechta molekula bor ?
A)
23
10
3
B)
23
10
6
C)
20
10
6
D)
20
10
12
7. Berilgan moddaning molyar massasi 36 g/mol boʻlsa bitta
molekulasining massasi necha kilogramm boʻladi?
A)
3
10
36
B)
23
10
36
C)
23
10
6
D)
26
10
12
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