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Mineral o'g'itlar

Authored by Gavhar Pardayeva

Chemistry

8th Grade

Used 5+ times

Mineral o'g'itlar
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chili selitrasi?

NaNO2

NaNO3

KNO3

NH4NO3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ammiakli selitra ?

NH4NO2

NH3

NH4NO3

NH4Cl

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quyidagilardan qaysi biri makroelementlar-?

O, C, H, N, P

O, N, Cu, Mg

C, O, H, B

Fe, Ca, Mg, Cj

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O'simliklarda qaysi element yetishmaganda uning o'sishi kechikib, barglari och-yashil hatto sarg'ayib ketadi ?

Mg

P

Fe

N

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qaysi element o'simliklarda kechadigan fotosintez jarayonini tezlashtiradi?

K

P

Ca

N

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Q!aysi element o'simlik poyasini mustahkamlaydi ?

magniy

kalsiy

kaliy

temir

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Agrokimyo- so'zining ma'nosi ?

dala kimyosi

tuproq kimyosi

mineral o'g'it

ozuqa kimyosi

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